{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xe37f6473d2caecc4afe5fbbe4230da4130c349ffa71b48ef498ddbd0bd9bc19b",
    "signature": "0x8335e1ef5596ab5662533bbf976eb84231f3f24897d67d73cef4016ce0079f8a3701ffa9d161564e2487d0de15e682883991501625593ef22a5f710232c559921b",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}