{
  "manageEntity": {
    "action": "Update",
    "entityId": "242893136",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9cf4078783aaee1a9c27899a6e481d1bb9ab8f083df96c401e8175a8def4a307",
    "signature": "0x795e9a10280f27a6a472ad655f643de053f45163cc08c5d33b28f89f3ab610ff1e97ea94411f7e5976d2d5e14a55f1fc4d20548918ecf8bff62199e59bcaed161b",
    "signer": "0xAb74269b4Cd5892c97eACCAf5FCb7B0D78d50b35",
    "userId": "242893136"
  }
}