{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294973155",
    "entityType": "User",
    "nonce": "0x36d26bb7778b865be0b97137f2496b6dddffde03c6172701a2e37e097c913dc5",
    "signature": "0x84b7293c65e5572b11232f97a278266660573808a415c418fece94f41f6078aa27133e1df644e8fe7710879c98341f307b8643f8cbbe74711aec7c6369ed2d791c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}