{
  "manageEntity": {
    "action": "Update",
    "entityId": "911655475",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x480f5bc64dfaa9d90f1298beff209579e3c6f779da5075e871834ab0c633a4fa",
    "signature": "0x4f436f2934e21c48a2fcad770dc2bc4274772b4c405a32d2f96bd8c0f5c77677439102f1236eb5a4618734c3334bcd45c37c23d611346bf6064bcd327e42c51e1c",
    "signer": "0x56fA9E296e4bDA512Af78Bc4E510059eA95795aA",
    "userId": "911655475"
  }
}