{
  "manageEntity": {
    "action": "Update",
    "entityId": "533845837",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5f8e36017afe9ba057310d7cc08f33e7e7289e2374bc1ac2ec2642666a28ad97",
    "signature": "0x03a9e1e054c2527fa49f19e44587a21775f8ee2c4067a198d25961c79e367d1e0524f85103a547b2dfaaa07d97be6bee1fa9cf2b24dc2cdee34c9fda0031af911b",
    "signer": "0xdd733EF8F0B56Aef1Fa5aC2486cc510dc6A1E6b1",
    "userId": "533845837"
  }
}