{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "610835017",
    "entityType": "User",
    "nonce": "0xd2ace3433c7c0ef5394c4e6c22ed6d8fb85536a6f319a58d5f69bb81b97cd638",
    "signature": "0x967331f1d0d198d5f97b3acea290e9667c907be7ff8c7426b5b795a1e20cde9a686f4618c121377ce2e84981141be23f9a9f6042c2930ae6df06c8a4983971ec1c",
    "signer": "0x1Ef5331d98352E3A7eb4f177ae6BbD27cA99eD1B",
    "userId": "771602835"
  }
}