{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141136",
    "entityType": "User",
    "nonce": "0x5872c48c5e653458b85658e2e0eae76ee293a6313ef7fdf5d7fcb108966e2df1",
    "signature": "0x372dde18c1b5f4c464b59fa32fcd4370b8e10d4ffbe5aaa4be1b3eda8a1218c8366cfaa76768bb29d55f0560bb18a5d4c51c8bf5bb3477cb1ad33008c36c9e171c",
    "signer": "0x1BF18676e3272039E0bF8f2a021954D13cC10a6F",
    "userId": "839909525"
  }
}