{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0x304bbe9dbccb09622335b2fbe145c2d0ad7c5c25441c63a5bc8250fb3123061e",
    "signature": "0x7550b3a0c50a11694040c8bb842c91c76f00f3eaefa2f13e2db4f78aa82b19d635e9bc01ea96931dcd014f7a25d7c3eeb0e1945f1cf906f4cfd7ad6e2e663b471b",
    "signer": "0xD4186490eA39e450cAe5e557A0739c6dD45Fd9Ff",
    "userId": "561643473"
  }
}