{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294973155",
    "entityType": "User",
    "nonce": "0x391b4f2a98e749dae713a11d95928ed1149435ac53e5cde6fcf9deffde3d0f55",
    "signature": "0x2851ec8a86251b9b75be8cb811ed705685b8e6c3d8936ebe8b0f146b4a1199a70427c7d97a4cb2a16b245844086beb24a3402d2cb4529be94518a23a8af97cb01b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}