{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0xebca105e06de708f704fe6ac8ab7b4028754cc14ae323463bd97084172474506",
    "signature": "0xcb0df396146bf959b8f1d0ba9776d4f93902bb63a3b11bb6a7db92217a4380011d31eb5b99f2266f1a2dc2d49b1cea4d37069e0c2b9842517ed53eb73a35775c1b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}