{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1054428",
    "entityType": "User",
    "nonce": "0x7e5f23c7e3c01003c7fbff0a5a8760dc7f71832f5ea98c5f689a3c4999cee6d2",
    "signature": "0x0e0dbf3e8d490cabba300f0a939d0d4e7719a5d9e283e5cc52a6e79a23f297670a843befce0e00144ce08f6cdd2b9d4ab2786bb73b12c89264642587ca9061e11c",
    "signer": "0x9eCfa3D3CD68A4dFc03296399F57A033fFBD5dA2",
    "userId": "787100055"
  }
}