{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0xe3cd2b3a16876654dac161534132914aee05b1e4b5b9a2c5979d4928c5fab0cb",
    "signature": "0x293f371bc185b06042e03073fa309ba2fe75fda22fd21384425963b33d6a93765e56b84a41436613c819e5a24f09626c432f6babe6933951cdddf63611ce8a481c",
    "signer": "0x4a57e2DeD165f5711bbB2bFF6253838BcFee1928",
    "userId": "268361684"
  }
}