{
  "manageEntity": {
    "action": "Update",
    "entityId": "834540087",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x22dbac2e460c0c634ee73f88563c65af4e89f6e72850616134c8dcfe12a690c2",
    "signature": "0xf9daf82814b9d7a8504919df0c071f75f58b26b4277443b7fb6ab8b1be19613266e97d828c4524c7426efdcd6bc483b7543787f5e3770b7e6683bb4778d8f88a1b",
    "signer": "0xF0CaA5581Af6ee80150b5aA4643d1069EC176dB6",
    "userId": "834540087"
  }
}