{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "750007",
    "entityType": "User",
    "nonce": "0x7202bb2b37f5b5f3cacbf5085b7654c72ac2ac2d1ee0114314509d8eb5291aa2",
    "signature": "0xf1362dea9e02fc1fbac0a5908340352bcaaac902843849dc1eff0e0853000c490e94bb992308cfbea0468a1f178591c6aaf297f29b7fa0ad4014111c11a271831b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}