{
  "manageEntity": {
    "action": "Update",
    "entityId": "482858095",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x15be82a4bfe50015a3ef1ef0308b84307fb312463cd2e60a93e1a7a00845c4c1",
    "signature": "0xa4caad7666e9f62b804faebe82949c7af9fcc66c0eff486adcf1c5a3212e287c6326007c52a849fed42d8db1a014e476a6ef64b3f7be385b9d3cc98941ad6c3d1c",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}