{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "772682384",
    "entityType": "User",
    "nonce": "0x8b8e04506a23e208362c24dfa26de025ae115027b2f0fcc4bca05fc83a95a763",
    "signature": "0x2d972c6b7c0ff822b7a022d5454011d99c12c51d2bb44a667de5c6d3755691cd68efbb064c9697c6756d0a51f25941a3a7ade73491b6f7b2029e3abab2787b0d1b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}