{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8805",
    "entityType": "User",
    "nonce": "0x1afa666520eb7b8061d8fabd915cb8b1185a3e0872a607b4b075df4dc2e2109e",
    "signature": "0x8d790cc1b769feefdeac48a4f6626d1b18f420060ff4f0e8b13839634174dd3369fee6e5bbd05244d3d992210098e7944553f63a0fd214a9f86ec538f86bffd11b",
    "signer": "0x4Ff77Da6D5C7286ea15F7F94FdCC04a641dE9a27",
    "userId": "512734349"
  }
}