{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147560789",
    "entityType": "User",
    "nonce": "0x399a854e2acba2f433a59346b9844ad4a1e9c254a5e0f1992e399093ed57cfbf",
    "signature": "0x32c1218104d713469b2df48cd97c9d6f3f37708ddb868d755ae4d1fe25f035ee038c92c9582387fe07099bd0fdb8a3284bf79b7817a33353748a296d801afe7f1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}