{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86172",
    "entityType": "User",
    "nonce": "0xa1172042978b3eeae48f90e3a56d2fd9209ceb9768ff99b00c3445d00888c777",
    "signature": "0x9f33aa0d71264e89f1cf806034f2e81f2359eddd840cb1e80787eb0542159da31321a76c599dda7a9e7ae1c33990b7ecc4744f8351941e086baa17c7c1cd712c1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}