{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "735405",
    "entityType": "User",
    "nonce": "0xb56e1fdabd6415f836519404385d6a4927b966451df3a6a4d0c9456847dbc204",
    "signature": "0x492e541065b8190776f2c0acea61810cd9f51149071ecf08a9b82f06f03917df3600554488a886a3ca6440fa3deb0a0e03833d62b9c6fc7613bad04d83352be81b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}