{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2655",
    "entityType": "User",
    "nonce": "0x272dc4eea39a9743a9d201d04773276a931f65abfc591bd101a27d4a42e8525f",
    "signature": "0xb54b737dea723ea58aaa9067517c5b9eb0a648ea318059aac0e3b3033ad164891b1cad0d95f81574cf046db99af2417d26be26b647dcca4f403bf88489119b4f1c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}