{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xfc7079d937c8c842d38df2697e1bbd318014f1b5ad051cffc37c02cdbdf91761",
    "signature": "0x2bf6c2e46d4bdf7470416b9a950ecfd033f9832d4c3b6ec8e2d982700a4366b97c4091f0152a481569b7a710b6c8dc20b795853fe9319fbec823f954789a16771b",
    "signer": "0xDE3686894b1BB7886D5a1995730930c47824F3e6",
    "userId": "323456"
  }
}