{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328830941",
    "entityType": "User",
    "nonce": "0x4d9cdbea481a4bd3c18af437b1713a201d8e0acd10d644a9830788ca92f88b07",
    "signature": "0x7a0ccfabacb98765cda0b3c13e2ec5f608a6091e1862bc46c2bb36f9a1473130393af343bfa2125ec1392713bbaec65dcc271f013d81f07d36d49d8f58ffb62a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}