{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x13f8b01f8c15818210caad250d709967cea912db932eadbdc08c08a6d5354ec1",
    "signature": "0xf5d6a3449332c403c858755305a1ad5db0f368209b9d2c7ed8aeb25a996f59500f2b53ce08aab04e854e6f98f682a95e1b952ffb44c794672938dc52ef46930d1b",
    "signer": "0x19edBDeEc1E820D9FcA45532B464fAf686bAE208",
    "userId": "156293346"
  }
}