{
  "manageEntity": {
    "action": "Update",
    "entityId": "616706528",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera42a3q7qnfuwsltt6r5gvqr6luu23igduizn7szxvusdyeu6yy7ga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[]}}}",
    "nonce": "0xe2ff0cbfd20cb187ce591827171e85dcfe94d7e34d354ca76691ed8cdc1f2029",
    "signature": "0x172c8d82acb5a42773dc712539e97a6a983e9651da7ffc227d1c09ccdd110ac162d977d02ed78ff2ceeb8bc13554f65c155900d94574ba61b6aa16c2865551d91c",
    "signer": "0xf9D7fB9Ed07a3Cd3e224170e6807926B5b5E07AC",
    "userId": "616706528"
  }
}