{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x94ea0ed655cedea6e85651e16ac9f7ecabe0c1867f8a8a713082170517099950",
    "signature": "0xf9a8def4a901212f73ae341176287fbcf9f984f008814807c282f761ea126a7b37421a2d924e4f7bf300004c63663e975c025eff6935d6491d0b43295e7fafd71b",
    "signer": "0x23351a930B599554f75090Ea9227a329debD1261",
    "userId": "80475637"
  }
}