{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51836",
    "entityType": "User",
    "nonce": "0x393cf0c0188a5dfc340ddb547825298fc06edf628839eacf05c65f2af1640aae",
    "signature": "0x59d5b8a93a367d8957a783d0fccd1b909911e2b760c9ab093a328ebdb9059cc502bdd7c6f0191a3dc05fd76ffcab7f4bcdcc34308c31692c030aca82132fdd1d1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}