{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "482293055",
    "entityType": "User",
    "nonce": "0x15ef30f587decd28fda0599483046234bec1d359801cdaeeb5115df0ef4ffd95",
    "signature": "0x867a87505039576973e95a9edbded5fcb3d2befad7eff4bb52156beb377a7c3d0f7049127431f6a3b36683b1be2b72cba20c0397e3f4743d0b6e326f011ba1e71c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}