{
  "manageEntity": {
    "action": "Update",
    "entityId": "606279898",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2fbe7d49b80220ae48a66cb1097d02b1dd45be9bdc23ec9cdbab85dae6b9ce30",
    "signature": "0xbb8a394e80ac0459c2779ecb5a4f087524a2b4391170b1b9ebed0a9a126eb102270ca6faf004539391dab50c39aa84fb4b38ab0a3ca9dbcb229b1e9d36ea4e301b",
    "signer": "0x41Ec47289bee55cdAb1EF3AC41A8D7efaE392061",
    "userId": "606279898"
  }
}