{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1467319",
    "entityType": "User",
    "nonce": "0x2d56fa6e8ada0484550254d060d71be44797f1becb7e47b8ab12df4c8011b384",
    "signature": "0x4cd16a96316cc4c90ba77ea138808a32762bcd6b4ce4106fc3061e0e1ae79f9c7d259a08d7db48cfae83a7c11d40082f0ac5ef9033cbb37aa249a4fe1da4b00a1b",
    "signer": "0x69f11622ae51A55c34462DAfaAa5b4E7e77AB644",
    "userId": "513195827"
  }
}