{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x30ba5f51daf5cf791c3ff6f45c77e6ae23fc2cbf52e971b4000e23351b120119",
    "signature": "0x00bdca6e01e1b18b7cbf77e676d7274f6dc8c368a838a63f0e9042c756a2a3a5660b621c19a368375c42929e88b1b8ab8c9c3f4d568b2c8aca45c5babf2f838d1c",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}