{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "672",
    "entityType": "User",
    "nonce": "0x3b1b68f15f9231b936d9888d2210b7daa4fbc825846ab620fc5aaf540561293c",
    "signature": "0x8cbf7a48ca1297208f5fbbcfab9bfbbb605cfbebe7b057127d2ca6ee54cddf0c0612c71dbf209ef28f8ea251bccf6d2d76f11f45a8a2a3b7a4cf509b800f39001b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}