{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xeea40a730de51e47010b26f7f10746566713230e6c73d7bd3c224f9df64e8886",
    "signature": "0x1c27d86be8e9a42679e85e3e09198b2d1bd5b01e37cd516d0acfd663b6a33fd04b043101937ca3f36b106fe89eead8c034dbb3e476d484973c89ed6b4bb07a2c1c",
    "signer": "0x5Af531A9cDF9747df40f57531227d70F1bdD2ed7",
    "userId": "511108744"
  }
}