{
  "manageEntity": {
    "action": "Update",
    "entityId": "831132719",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawakpuo2yz4pkoxjx7sqs2jqq5y7wdyy7goqgaptz5lgstp7ch2zq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":452722421},{\"type\":\"playlist\",\"playlist_id\":1039689729}]}}}",
    "nonce": "0xb07f5bff1101caca3838930e04e90b5aa3ebfd73a7fb134b05db1033fa8ee20e",
    "signature": "0xcbc3716d693e52c45f8acdd83ec62375631e752352a63d1061b27a31ca65b8fb3d7cb260b58794be49a2b65044bd5ae90dfd3bd8394ada8f213f5dfd792ff96d1b",
    "signer": "0x95ef0AaA25746fbF3501fB4BdF4051dcd51e6369",
    "userId": "831132719"
  }
}