{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "403396",
    "entityType": "User",
    "nonce": "0x6ac304628e5b2655e05afda4c8054ba3c3d4687d07bfe6e558829a4ac4474cd8",
    "signature": "0x34447f8222fdd6296d7d554a9f1887de6c04c9d2d09fd3fb461f95e6434df407248720833f48bd6a028dc52289c262aba5165783dbc67fe0b4e33c1a7c05ddbc1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}