{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174652",
    "entityType": "User",
    "nonce": "0x8e00ec9ecae7338a7e38f3018dee17314c4580d232698b3f8700f78f800a91f5",
    "signature": "0xf1c6b9ecff212c0098a24144c7425c9c5bb9013852182683fbb186d1f7bb56841bf703a9a25428818d36f715f44a71148215a92570fb77d0053e832689ce926c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}