{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685226",
    "entityType": "User",
    "nonce": "0x3a010efa6373413f8fd75ea15dcd6f186b9c175a8afb1a21bc7de4cbc614f166",
    "signature": "0x1ffc82ac65a75804481c5767fb5d32a5104bb0a8a65b01686161644a2f02a25a750bd7b09e9c963b0724e46ab664bc70b394ae59893a42e5c116274d7ce913f21b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}