{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108774",
    "entityType": "User",
    "nonce": "0x0d17bf67dc39c73ffd618dcde962fc269836011190d9bbd7535b64f333c0a3a5",
    "signature": "0x4b340fec7a29e3d5b20deeb44b3eaedb630c32a9a41dc4dd544ac38c912b3456679474b458cffbee65df95f43470a159d3907d213edfdd9ab4ead6e2d9e41b451c",
    "signer": "0x69D7699156fe9a786da8cc3ee979eaa512E6BA81",
    "userId": "6137592"
  }
}