{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xaed7105c83edd96f9fd7cc1af163bab666d2936d76d5184cdbb55d56356187be",
    "signature": "0xcb63bbcbca58410a9518e305a096229b24480acb52245366b2d1ad79ff2dabd7641c5ae37fd4d949ceece0b053e53f64fdc61240b2903dbf6240902c953c338d1c",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}