{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193798",
    "entityType": "User",
    "nonce": "0x9ada240d3a86454d61bc0f23a22825a9537a84385f62ee38d931e2a4e43a5320",
    "signature": "0xafb506bbcaf75e091a8cad2c0affcd509d38369d2fe6d144034dc15c718af646656e872f2b80d2513d263c7faac8848b7da4be6c4de860efd9aba6504f18704f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}