{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0xaabe1df68a3c8d3512827e5306434cbf05802b252b111f9ab989f22b04edaaa8",
    "signature": "0x4e739dacb3d69631c9e8b8a60195c3da1b066ba8e42190680d8c9686dff7550830cf6c1a49c27e4960ffed66bd71513d442d387cc9a3ecafe07e1a3e1e8eefaf1c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}