{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943956503",
    "entityType": "User",
    "nonce": "0x932bdafad9d1378d60bee37ac53fb506c60a836e3fb6d693d516435ceca5445f",
    "signature": "0xdc9396654b0fbcb8e5de9bc77bc44bfce9c2a669637f657512f8b8a3600dab567d0542ea0dd75554737eb96be5bce7745637f20770bb2446412d6007fcd58edf1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}