{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37956",
    "entityType": "User",
    "nonce": "0xad5f79b090d49cacf2721b9b100770bf63d2601cd975d47e5b79dbb272710ff4",
    "signature": "0x54969f79b034d05683e042f32b6c5a72b852ca69e7fb9ca13310f2a17cef2ed4459cb21964b47a10198026c7e56b11547d0032c5a0b409e103a6d2b02fc89ca61b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}