{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "628179261",
    "entityType": "User",
    "nonce": "0x4ac36f02a6567c7eb5453c5c1af4399f47c06f989dafadb699ba6d91e8cffc01",
    "signature": "0xeac2cc84563966d543121f703c06dde9cc2095f10caee801ec43339c029c78752c683d1f2f4f5b763b54cca150a1500a3ecbc9702d9f1248115b132c1bfd1bd21c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}