{
  "manageEntity": {
    "action": "Update",
    "entityId": "142361762",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5btbseduoshtyzc6jpdwdqrufs4kfcpovaasqpgyvvsgpiz7strq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":78946}]}}}",
    "nonce": "0x0fc5466623c37fc7b7c33139a1e30f02333f3c027ad069a7efdc0dced4d18064",
    "signature": "0x7c3eb070aebb68b79f3409510cebe2ecb1a5e68e31a4cca496c83d2309beb93d70ee127e540c1e7cea30672a05a58354b46af8a09713ca14f8d89cc287cc318c1b",
    "signer": "0x380Ec65A36A1655B8F92293e21aA15581356Fa85",
    "userId": "142361762"
  }
}