{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "712652508",
    "entityType": "User",
    "nonce": "0xdd07542f605988a73cf470692f49897c808d625c51d20d8880e8b522ee7257d7",
    "signature": "0x80b6520b461e2de2045ee57f2d7c4312f399019c431d395601623083747381961fad833ce69c88a509fc13ecf8e7338c27b48b319ed9c470cb2408f7fd8d5b1c1b",
    "signer": "0x86d3c0aA1358386c6112eAeaA6b338c0BBa922fD",
    "userId": "291977338"
  }
}