{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932335106",
    "entityType": "User",
    "nonce": "0xc807c77ad6adf03867d85895578ce75c1ac683e3373a0d0d9ec8015226d36918",
    "signature": "0x2f66204ef507f01d28f5348006427813b212d6fe8d75b094de218af4664df5b21db533b9e10d8349bb41d3b172094c2a8e28a5cc7921e505b1022c4c5522b8981b",
    "signer": "0xE3CdfAFd2999c1C06c139E932b0515a9F0B07382",
    "userId": "29797210"
  }
}