{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x1de3b9e33db841eb71a92642d56d34c8b60ea3821314a6b0e63d6e282ff4cc07",
    "signature": "0xb9759fba7584608bde714461d15c074aa57bb06b35534a12d1cb0163477965dc78beb49696a2b73b335e4aa0eb1e662fa4f4e617d6e26a9497c9007c748872bc1c",
    "signer": "0x6a79014dac58f1D33D45347A909f9628C2132216",
    "userId": "718119401"
  }
}