{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0xc6809d018124ab090567c2841ba9a3a5122f46c90fd17d092201a8f509e42588",
    "signature": "0x4ffa3872ffe62448737de812d696134b6646dccd124c08dae172cf1b02e1e4d1022b07083900d9f24b1534b86826bc81b8aaaa0d1afe4d92ba01b233086dbb791b",
    "signer": "0x12fad93DE1Cd70721D562298f2cF5A522082d22D",
    "userId": "41465"
  }
}