{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925149974",
    "entityType": "User",
    "nonce": "0xb3b07b6c403c247a11f6599c6e9471b54972e3d840f5fa4296c7ccb251a83b49",
    "signature": "0x2c13c8942bb8db5fc5d9643a812be09a9dbf2b7c94c10ab8a692ad9e0250bec70848dcee1ee62df1cb14a426591651603213ae44f4b3d1f6b103f0a6327bb2601c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}