{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xff76a1721b185a046c7fdbb57928f3524309f4a483335f78c14511728ccee798",
    "signature": "0x038e74ffefc749b718a0a7760cf4776750f5ed669da9885753e430a152d4c3ec37e575953b022aa15f077c35e4d12d11868021e66ead4fcf42c6b6b6164bf21f1c",
    "signer": "0xEa45651BC7053A63E4D6129935f9687d3D307331",
    "userId": "922396304"
  }
}