{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x9e419671708fc62ce3802c440c89cbefd1900fdffd1d94c09172d2780955fff9",
    "signature": "0x422861e4c84a8852046c980e42237d2631da9c88656f87c639def218e58e395578b0efac8067d3cc18d5326b024b23cff1e6bee9628e03424b7f0465e73310dc1c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}