{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7511",
    "entityType": "User",
    "nonce": "0xebe6faa3fcd25b2a7c21bac4b5fbd9f71649b717f89bdd753cd83e9d69fee4e3",
    "signature": "0x263d714f32c3a83f00b3ae166e218e8a8e672d7d83380fae10baff81241f4dbc486d92e249dc4227c908c235484e69d362bb4ff9f4817983155358725766e6b11b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}