{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65808",
    "entityType": "User",
    "nonce": "0x1b1b80232f1bf3c30eed858a95b8c1a1f52783a7e76b13136736dd5597b93932",
    "signature": "0x68fa67462b149c173255e1cb5121fcac71b8abd6589e47f1a4f08670b622d8bb634a7cd152211b15622b79946869166641910b69898fb200ed2c8c71f36ff1161c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}