{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147313",
    "entityType": "User",
    "nonce": "0x32efa12dba5a2fb654dc85507615542953193d714eaa560e2f5f5587d7515688",
    "signature": "0x922f6a364ca0a106cda6bedb203fe42312041324a40c57476eb35769ca7a834b3dea7e1b64c6149128b6166759da69735e7ceb8d89187c4b12eee4a6d3ef2b1b1c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}