{
  "manageEntity": {
    "action": "Update",
    "entityId": "567685296",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x77ad7a224540dc1a9b835b157a4aea54be377287d40b38d512f0f79102042c3b",
    "signature": "0xef84267a9dd3571006d0fa6b3b595652555213087275d44f0ea67f4d7431f7ac6a8dd8cb64aa7d3064b8548b4ff7f70cb39175c16e339fbcb3e6fda0f898796f1c",
    "signer": "0x84206eF8bAD3F78F1B7914C57F2a4Af1fecd784E",
    "userId": "567685296"
  }
}