{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98755584",
    "entityType": "User",
    "nonce": "0x18c70abfd54c0c91a2cf2e262348f24ebe0d45c10e0eca10843298e061d98ec7",
    "signature": "0xe05fde7f76cea919977b5c11a84d9e5c54bdae62216f34bee110003d45c5a21239f9eb1adf8225e3985036ca720d1f26f8f018464b0453f411715114715e66171c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}