{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xaa090134dff5f89798f37e93863c53bd1e6af278452a5184e6a7f14c1934caeb",
    "signature": "0x888e755946360886fdcfda70dcab7f76e8e4624ec1a3e5418fdf687da0aab298471cf5c05ac04e4e2db842445c44a1796af977c5064343b6f7e7289c08ec147d1c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}