{
  "manageEntity": {
    "action": "Update",
    "entityId": "269226599",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieragxfu4zvwrs7jzetlptwbhytaxk4srqczh2ui5rqjm6m6w6iq6b4a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":848069239}]}}}",
    "nonce": "0xf729f05a8e4ed4273c9ed522245621509f4dacf74cc2a85e2fa66fa457b03eae",
    "signature": "0xefc3e2d4b18f0a4cddc9b52e90e83c366b14442414e07516913fade5dd8faf5c6a3bf38e159ebdf9ab765e1186abbbe8fbf4474f963f16d7b240b6a1226868471b",
    "signer": "0x6d7654C9a23Cf411358aB3F9C03102f8c62629a2",
    "userId": "269226599"
  }
}