{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70023",
    "entityType": "User",
    "nonce": "0x732af5b56a6ef72b2e984fc983b0cc21272e4e7a938e6ccebd2eac391d9fd903",
    "signature": "0x2c4c31062e3e5f5858573c9a18645f5cb4283d4bc39998cbf37604d59e4057ea741c8a2966207a99f27179255a2adc5dd2f525c14b0468100080ddcc2630fe041b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}