{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1472848",
    "entityType": "User",
    "nonce": "0x34c4766a09f158910ff8a242798faa4f34f9264007df907860626cee80ca48f5",
    "signature": "0xd977e23c103d3bd3245a43c77b0aa90cd040bf50d91dd126e72551084d834719256bdecd076c29554adad838d11c6a353b228198a8989b2cea7056340f4cc54b1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}