{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xdc16f500543242805dd1f6ade3a1a932cd7d41cc24264d545692b0fe858eaf08",
    "signature": "0x8371efe111c47805d406984244a0534461a4feb762f093272f107c6198b350e85de7576945b06c79625e30496bdc2d0508ae1d5cbdeb68d0d77361d6c62543701c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}