{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714820917",
    "entityType": "User",
    "nonce": "0x508137491dd3c575c699ea85d031c39b267226b9f004c89b76b234d10944cba6",
    "signature": "0x79cda39e4866b01cc21fc8391eebf0e5b4f00fa983dca12be4c27c7ee46311982027dcb001ba7ddde619e2aa429f8428d49bd47f9324a2e80071788b0bdb15e41b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}