{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "338155",
    "entityType": "User",
    "nonce": "0x080abfae162cf03a5cc8207277c2ba278845a4c1f2311dd54bcfdcb0bdd14666",
    "signature": "0x03775bc761a36dc8a3139e6fea04ed3e74ea7dacff97c41851edc9af53bfb5110ccaaeec6cb9611bf5a18a6f6915f6292a05e85dbd63026f1d25312ea676e5891b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}