{
  "manageEntity": {
    "action": "Update",
    "entityId": "608286835",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd778c6e6e135d6d753e1d24cbbdc4b31c9bbd74968851ef560aee39607636c5c",
    "signature": "0xf72616ff2cb5227af5cc04b2443236831f168c63ca900f5b41218c3a6e2303f27589eca9246602b596c1dae7974a1496c3cfa7e8b5f4e93972847d4ef4467ab71c",
    "signer": "0xBC8033f5bA67936E807e24Cd99b024dB5B16c304",
    "userId": "608286835"
  }
}