{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0xc67f375d195507e444247cd6f3de5abe53f2e4200bf9a12560e6b4223e84785f",
    "signature": "0x9fba44167ed818436c667b0f4a1952cddac4e6f58cecc2abc69f5923e2b1c4be068293860a7a66aeda5af9c5626daa759e03e2dce4d08fcf18b18d7785a3f1981b",
    "signer": "0x6bbE8Ba8276834DECf4c0d3460707A86b8e263b4",
    "userId": "248785756"
  }
}