{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "893863695",
    "entityType": "User",
    "nonce": "0x58e25b15ca74f3987233c101a62968d5b95bd390d31f058f52fb8ec751564002",
    "signature": "0x38fc6aaeaa53bf82ba75f7ea065f0c17b16453b5f8b57605eb9f4f36de7992370cc8e267175826fb6282d6df7179bb39a5120815880acf15bdbeb3533bb894e81b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}