{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166381",
    "entityType": "User",
    "nonce": "0x85c883ff998f29d4bbc1b93667e000f5696e3f85882be55a2e4907f18ea0e0a6",
    "signature": "0xd9321f0991d8cda3dabca23d74e14473ad96533bcdab60879648f3f7fa13f3e9523907006d0fbe6904f5a9583d616d58c3c930baec52b3c0214782aff86dfa031b",
    "signer": "0x72bB0dBD4F0c2040428c41f3581607C6b41e8353",
    "userId": "959678379"
  }
}