{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985480",
    "entityType": "User",
    "nonce": "0x60e94124a7bd2ebb50fe4a9eea5f4cbe48a5c7d775bc11b88527c6a47c108a69",
    "signature": "0x8ecb6dedc9ac80cbe3e4939d155babe861ac607bc9b778ce3c0dbe8778d1a9ef7f3a48ae6c1f7d4f8512919236355f38ad8c56d31a169252aafa7eca805b21d71b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}