{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "702902",
    "entityType": "User",
    "nonce": "0x1514aec4716bb94d19b2021fdcb3d97db6963aeeda41493b5329621a16ea1498",
    "signature": "0xcbb2ede9ff277e32f6c02f7941ae70e6be4554384fb961a87c53303432fa65036892b5fea33914861d61603e3d90598289b10d0928c20836d93c9a6ab2c963a01b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}