{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7240",
    "entityType": "User",
    "nonce": "0x3c9958a4ef43d52ca212e4686463fdc96fa1ec6d1363ddbac18b9dfa05cefd13",
    "signature": "0xf69d3b0a86b50a2c6c8575c15f7e95a74fe162c5265d6e81e5f14a6eace877325768696e3fdb8892dea4c8ba878d241b6064aea5acd491f72403d508a70f7e591c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}