{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0x7e2781f5b9d72f60b6c6f5f7adca6103438ab67de5ca1ea2f5956f6cd2172375",
    "signature": "0x740b6417ca0765dd81275310d801cd17670da2f436660eae2aba8b966e64725e012098d74f4b61d3ad8c5555711c9e7da452735dafef0d4fa332f79453f550be1c",
    "signer": "0x647947a3ef2a535a313f58Fbb1bc4787eA6d49e1",
    "userId": "102210880"
  }
}