{
  "manageEntity": {
    "action": "Update",
    "entityId": "74259061",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb4254039e31bca64b19f4cd1873f4718f5939044b08b2bac512708e5a1bf490f",
    "signature": "0x79b8e70610f0598c84f8420d549f9f337e524ca54a75fa85da3652d914a47c434a46e036a0ce6ae60d12dccbc264553e5d740b059aa66166fd57a0d23a3f70f11c",
    "signer": "0x2dE0fBa28eB08e93130FD9206EDD888b60f7694a",
    "userId": "74259061"
  }
}