{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1408585",
    "entityType": "User",
    "nonce": "0xb27f180abf46cfb13a504d0ee36f12a27eda58535fe3adf61bf8d12094571fcc",
    "signature": "0x088c6672933ed95d66c17882051e84fed24c914ed6f0f6562ccf89580aa3649e283a07ab6e1c348200515c43e42fb5d9e62187d79832b200707db1ecab4e23181b",
    "signer": "0xE534A1ad2e8E1f616866185D1efDf463B0eD38b4",
    "userId": "353625"
  }
}