{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4675d828d146d1446c0a48fe689c578131768ee05d670ddcd950e4a17f4d82be",
    "signature": "0x9848f733fc031483e06d31ecadce30285461b45984f1aed9989fd2d0978d7235003c564fdcdddea08b600598c1b37dc702b9f7b3842f0e0df864ddfb8091fe731c",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}