{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67558",
    "entityType": "User",
    "nonce": "0x3fb49721473ea44dfc793e30b359ef09466773d51afb14228fd5859c661c28cf",
    "signature": "0x7f43d1cc6988fdb4f55b500fe5ccb63473261d68a13c96d65b731a99d43aa26f162f4d796df23a688ee60169494c84fe737543c76968edfc04ab91cbb61c6ebd1b",
    "signer": "0xe80840F82266A0Bfbea798e325eB9Ee52c5C78AF",
    "userId": "637284137"
  }
}