{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38841",
    "entityType": "User",
    "nonce": "0x6dce6f93e991172470c28070807b116f113dd9f72d0f969718fe6181f3d83acb",
    "signature": "0x3499b989ba53d94e6b450d12e8b655851f7b501ad99975aed734e33e6a810a6030d38a7dfe09d5708ee06c2535515fd63f3c10ba4a291b73fd392330389bac4d1c",
    "signer": "0xeC1219421eB7c3f9Ae2846E885f45BDb4509ccF8",
    "userId": "892020777"
  }
}