{
  "manageEntity": {
    "action": "Update",
    "entityId": "861832117",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xca301d71972b8782dffb41bfbdf552bd118c0070ad89dfea7b2cbbcb4fdb4b8b",
    "signature": "0x18604c6f383347525052cac656ec693a5e11bdb4aadd801bf425a7510ca8f3e962b6d9c298e96f2ed152482989fdd960350286d1eda2ca351215b7cc39096ab61b",
    "signer": "0xe083C6657964CDF8edDa4A2141B67047B9816C35",
    "userId": "861832117"
  }
}