{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x249a6f5902a3b612c82fa03eb846f037679cceede4048a7c3089054791c4030f",
    "signature": "0x5c95c295f915e30bb6558e46d5d8ded1bff86ea2350a7f2d4ea979bf3c8d3e2a5510b97ba2e465efe6f7b5e6e87e92f121204a18fc50f4126887c134a5dcc2f61b",
    "signer": "0xCF37605ee4b144e8878B9A159031027881CBa2B4",
    "userId": "36669256"
  }
}