{
  "manageEntity": {
    "action": "Update",
    "entityId": "685553279",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd46347255d4b309478697e25cc7d720ed984434f560f1f7ca2ea852f40c5ca47",
    "signature": "0xdfeb8143ea965ef4b1dc9add097ea5de37ddbf3f39ca3d5423f43ecdfcad09ae02e43c50c73d62551a16218178c4235a68f29d8fb7973ce9a34d5f790db3db981b",
    "signer": "0x17527E4F69cefe2a5f104a7dC79972D9E79f0BD3",
    "userId": "685553279"
  }
}