{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928878423",
    "entityType": "User",
    "nonce": "0xab9c6ebf82592a4f25e339cee17f81584ee10414771e8fdcc10c1ac3948c1fa3",
    "signature": "0x9d8ce3eaae5989ba9c83a9c34df134aca85c1a9ab9ec3b397afe65643a08cf2e3bdeb57f09c37c951a189e6f88d281ff8c979211cbbda231943bd78e97e3a07f1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}