{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xbfa64273f5da18cdc5fe17bb8df2ab427d33a950bdd593fe8f200ce872e6f53d",
    "signature": "0x1dc0ae9de236700847b170d4ac0626ef307cb23be0e7877d5c8d4c9622e3754656489817a75d1b1007eda382811f1dd76bc3dd95907752f1d75dfa132fe0ca0e1c",
    "signer": "0xfffF643204D053ae5bFC296Aa20F15313084C719",
    "userId": "473911971"
  }
}