{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120545",
    "entityType": "User",
    "nonce": "0x34fa16240efcf3a800ad433641c7ebeaaa8b398f58004356b97c6bfc0f7b617e",
    "signature": "0x72ca7bdf18b4729bb5d087bc1c74eaa7f596f66b933392b8eb85b19ad9d52baf23fe6ae8c20218f40f17a147d44acbc15367fdb33b9241fdf656f54df28caccd1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}