{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x94ca1d59dd34113348d61a9697f34df6b19955a69a75acaab24671400e0becca",
    "signature": "0x150edecd0295ac545381d16ebbadadffe3c6e9f93845ea7472c921a79ce99b7a689da58f0fb3b58da0959c0e60705ff853f4c93c1db02a3d7d5e482294c3798a1b",
    "signer": "0x607D26fCBC981BBf1f9b7a1ee2EB8444b128239C",
    "userId": "68884680"
  }
}