{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x398668b2a2a6f1f82fca47f92a71615dcdc93be675a778a4e496187dd353631a",
    "signature": "0x4c629ac36e1ef268525f643eec8c68476ac729c65ca83c1c1bafa1ffeb59833e5329bb08a0b2b562e524a390bf940279f8fc112765072fb111c32f1094fa3a051b",
    "signer": "0xBa52AA24d5e8178c96B1712d4BA2a490937f4266",
    "userId": "357118878"
  }
}