{
  "manageEntity": {
    "action": "Update",
    "entityId": "111579",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazzfqhxvkqcpdee7ogxdzjywjactvfesxd67bqoath7pxtogyx3pa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":32219},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd39182678f99e70c315746eefc889c862a644beaa8a182a00a36a35c1dcd76fe",
    "signature": "0xbf5a10942954c87cf04ee56161b4bb89a210f0d35af4749a37e2d14165e27d0b4e4af8b21fa0d79d826c0664bc1498fa9160acb682c00bea561e0dc0cb55f1551c",
    "signer": "0x14ab7027c19a202dbEA7a9218aa291D424d901e9",
    "userId": "111579"
  }
}