{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x4156c47d293a281565db00f5949e79500fde6e3a211c5aec29ca806a4f80f72a",
    "signature": "0x8c4e0e61386df39000a23204b8088e19ff219d1f67dd874d6bfbb662cbc81a7d3a3646e5b22c8a08e3b9937cc87495c657bd5654af84e76931896187eb8a47be1c",
    "signer": "0x1A3180C2B77F308242944Cc798Ae0C216079DC9d",
    "userId": "916060975"
  }
}