{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38835",
    "entityType": "User",
    "nonce": "0x2adcd5566f5989008e72ddef59d66d1d74bf9628d8832ddb41a87e072defa0f1",
    "signature": "0xff8637bd09be69ee63cdeadd43340b622c3376bde7612519368544416376c1fc47efc5d3c7495044e2b690552ac051063e5480df0ec43f3f7fdc0c04afbb9d181b",
    "signer": "0x03B2B16FC491BB9F7E9819D5186aF26a4DB298cE",
    "userId": "813481002"
  }
}