{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61801",
    "entityType": "User",
    "nonce": "0x4e283abc5e05b420e7fa8cf2ee8d4de0d00d3657c88db3fb2946caeb24f4b2d9",
    "signature": "0xb9a5cd4ac20b9ab0a09e367c7cc193f1e2bff9ea9bcd589dd5d09925ae7ee55624760642236e8c648dc42093c873f920dc1820e1250fece9d8c4b2ce12c8355c1b",
    "signer": "0x8097f7562D3D2F9cbdBA391c45c0D376E438625d",
    "userId": "51978829"
  }
}