{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310796",
    "entityType": "User",
    "nonce": "0x5b99b4bda0ac76845079db33326d657cf290d6d546230bbf968624da6fb32422",
    "signature": "0x6fef448ba9f2e29422323f41f18d3d380a6eca3828c2eb4c725b890db4db4afa301e650a66c53de9fcd23eb7a8fb89132feb44945e07048bde82e2872585ce5c1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}