{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa2a669cc18435e662eea74b52ad2a1e49d2d4dd978aefb4675f97ad5111a657d",
    "signature": "0x940b66adefa41e516b663f3db8a646c6040dc3326e3cca4e920adbe74231ff9c4dd31938162a32edfc56e2ade17915ec92b979cc90fec4a71d410be042f3b5b71b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}