{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xe1a984506c21411b343456ef009864791bb6d8bf7ba2292826a3e620f098316a",
    "signature": "0xfa4b3209a9ee635116998b8d456b0274ecc61e2463eb0fd6b1854f74a8c717b631998467fe94851382c28f73f2da606e7110c3e6b059c504fd356a875340cf991c",
    "signer": "0x5b2F3F58c9c7f7A4C88db0bD454A1920416Ff15d",
    "userId": "51387"
  }
}