{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x07a514ccdad8a3dae042460eb5bc07cf1355021b2b6e8f4389a4df2745e41064",
    "signature": "0x25f230e5811a9619c4a5811979c2d57520e1d38805a374e709b4df86fa90e316116b069fdafef7248cbbf7c5746e51b9838032a6d9db25fca6f8d42d1d47746d1c",
    "signer": "0x03D3E62a23916C675244506a088A380b18917DE5",
    "userId": "92288781"
  }
}