{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xadfba2b334bc335c7da4f3ed4672b8800b741fa5927caa72daa06fcabee693cd",
    "signature": "0xc32a986b193f8570506ab8d18386c1ce4cc607fe138bda73539045717e1ebb8d3b0f54f90351430aeac9bd78f447cc2f4ee006ed021feca25309ca98fe10a1061b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}