{
  "manageEntity": {
    "action": "Update",
    "entityId": "264905156",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0726482a8f67c1c3dd2eeadb479713395600eedde3cf91d7ca02bbc4c93c1b62",
    "signature": "0x78a5c938791c84106afb1325e690ca3d8ac676bff9ab65997d8df9e9aacfc66e5bf1fe22fcd5a15afa65eea50634d9dae818ad0d668a7198e51ef89dcc90a4821b",
    "signer": "0xa31E6EBcaFD27cA0FDE394E2127f47ae7659b2Dd",
    "userId": "264905156"
  }
}