{
  "manageEntity": {
    "action": "Update",
    "entityId": "54292",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieranv3a2atm2w2ykyzb7qzaoorz3sdrtffkbiwhn4xnir3wbcqinh4a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1463548042},{\"type\":\"playlist\",\"playlist_id\":1944734331}]}}}",
    "nonce": "0x66c78f3d724f2fe533e914d6652beb0fc98dfd1b19867dbfd7ef6e61ef409b99",
    "signature": "0x8eebd9436b90d3a8cb8b426b2a09123c22d8ff95f8a6ef466e30a3db47c964092fc29ff571d32489b2c7868d906214f0be85012d94afe1e91d9156dfe1eb633b1c",
    "signer": "0x356cabAA7E8435B742370d31C5060c2B3E8CF6B0",
    "userId": "54292"
  }
}