{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58834490",
    "entityType": "User",
    "nonce": "0x6f51643863d6501d275fb8bf572853d95d9421beb8f82221975806f1f48e6fb5",
    "signature": "0x7c096513713ce51c9dcb4e8b98a3e142b63457a39f2a6aa48ce97b084864c0034ee4f29e87eb35233f743ae3f4b0573d1d521779eaf6633761cd0754eb4ff2a11b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}