{
  "manageEntity": {
    "action": "Update",
    "entityId": "507757498",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraauh3eeuyi3o3rht5u3gjj6c5nkvpa76j3l4hcgwpzkzu4doscxma\",\"data\":{\"name\":\"7abcapp\",\"handle\":\"7abcapp\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x89c0c91c5cc201d7b7fd6f4b400f4dfc00684b6dbeae7830862f06ac37032689",
    "signature": "0xa5accb8a3a62ab0a24bac8bf646e8bce17cbbc7d813c6f706fe49c25ce64d5ff225f224b852bbdd5b6ae98c5be0ab8261ced86d1a6ef7c3517742da39382700e1b",
    "signer": "0x78B87Ff29aa76D06fDb61938D4A862E7ddEb868d",
    "userId": "507757498"
  }
}