{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38277",
    "entityType": "User",
    "nonce": "0x52acc751f42f077ed70927564b8c8d2195d7f9e5cd2bbd06ed73c77e9733f4be",
    "signature": "0xa6f8a9d113c542ca5b869b85bc9eff60dec9d73411cc61512571c6aef05a446f619682dbdd6ef050f7ced28bfef5e254f8b3c7f7fbe7fd49a224401b4ec28ff41b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}