{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "273725",
    "entityType": "User",
    "nonce": "0xdba6ec7b9559debe52030ac3bfbaef43768073b047b36927f0ef9a36ebfb3997",
    "signature": "0x80230eccddcc4045111da29dfa02d52ab5daaec4ac55bce759c95e54f5f118b22a3ea03cef4828703e923a29d84f9afeb5ae1895f1a04367d587e9a1e8bfc17a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}