{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x17aff2d8b7250fab3714fee20b4cb9aa5b8d0a870749415621ff282b0bf33cd8",
    "signature": "0xa8ba1b859aa41b7d937706d81ea5da05d6cffc1220d4ae6b29c100dc2010c5a02205e8671c47495fdd624b271b9b04c2783c120cd15c7d5c5e06cbbbf470baf91c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}