{
  "manageEntity": {
    "action": "Update",
    "entityId": "710165454",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd0399dbc2961b496857780f8ced05be56c525df4a4071e27ad52d76d8d2ef975",
    "signature": "0xa1cf7f9a3232407c80c4d235e0532ce25f8bd5acfb2c3beceb3177865c7b7f85022ef4e60b775a6488ffd1995d7bc21c5df5ba04f71d6a459145973c06f2c3dc1b",
    "signer": "0x6B3B162a8a1d6add15f3aC1019E5825eC58DCb64",
    "userId": "710165454"
  }
}