{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0xa6a7eb8725d17678b5637f9f8c6e9188a7afdf507f95b51fdd74405ca79efe36",
    "signature": "0x5066c5cd6858eb4f6c2a80250ec3564b28793863727ccedb4376e40dea652bf47dab90b9f838303118a46c1ebb4cc6118d9d1ea870d294dd47126af4f35a04de1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}