{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30491",
    "entityType": "User",
    "nonce": "0x0c9b05f9e321fd6aa73986b35b978a3554c97b9419b115c321e1d9fe63e327ce",
    "signature": "0x8f55d0004a43d9b6c588826096ff22cfc20b55549ec968f9e6c33b5a700a802c1d8069d2ec6d39604ceb0938953869fcee5228e03fe0df5906808e2b5d5e9fd51c",
    "signer": "0x7FF24dfd471261490317851550Db9b8fab0c6df3",
    "userId": "1422295"
  }
}