{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "634886384",
    "entityType": "User",
    "nonce": "0xa88bb60054ee71a83131b893b35b45c12c47b0f66492023caaa80f0b05fb009a",
    "signature": "0x4b5f5e3b4821c44282b416e8807efa948920ff0a9a45805f78a2bd04c56a3d252a47951301469cc6337b23d3e104cdc09e6328aa8ae4dbdb2107bb012927d2ee1b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}