{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "794756",
    "entityType": "User",
    "nonce": "0xcad7837b390c1d2955d762d26c7852a9adeb8228118f37bba6fdc20b9ece65c7",
    "signature": "0xf4876d0ac84ecc41247c13cf1094547de558cc6e1eac1c955862e78364ed560e0d9a3674a1645b41ce63a7f86a1609b024d78bedd3a91d454cc43661a6c202b71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}