{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62942053",
    "entityType": "User",
    "nonce": "0x1e2088b14afa62331b98bca94f9f18e24d1841c22ce9504c56454c541dccfeae",
    "signature": "0x7411facab09ca4ad185b87aedf0be57fe2edde492905b0e36173f224563bb1d67100521dd3e8925f7b8af95442e38c239c4ffa701dbcc24e0683292d8f3caa161c",
    "signer": "0x12EaF77464824447aA995e75Dd707B3e5246be9C",
    "userId": "409175645"
  }
}