{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x1533c9ef1e74da13303cac41f1b892e0bbfaddecad955f7084e7cf6d8e323bc6",
    "signature": "0x12106975108f49d8d3e64023a8c9393a5b67c05446b08d7bd31aea7e5c8d66e400e0ed126e98d3d6a838930fe622b5e2d9d08f0a334e72a806a607f380a45ad91b",
    "signer": "0xcE1000874CF7A0a7b16c35A55F7D6f10C607A868",
    "userId": "442277469"
  }
}