{
  "manageEntity": {
    "action": "Update",
    "entityId": "733699638",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratbzrref2t5ukm5j54f7jyy37g4tjwz62lb3m4o55tuzfo4esx6ya\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2068758642},{\"type\":\"playlist\",\"playlist_id\":1922507972}]}}}",
    "nonce": "0x3a3ab131d8bf32915e8c3d4487690694f3529cfa590ccebb17578af55042e780",
    "signature": "0x6473372c6a510d4b0af82da92252b25d4bbbbee87eb5bb8361d195112a82646b43af11f2de09cf12c7e8efa58bdc8d7d26effb319086f2242edbee0c37603d251c",
    "signer": "0x10C56E2135195585Ed351126c557823F13a72D2b",
    "userId": "733699638"
  }
}