{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78254",
    "entityType": "User",
    "nonce": "0x87b8376ee75af3def8799139c7f95ae9a5898fdb2508b459fb2b5b66f50e90ec",
    "signature": "0x67d5879e44bed9333310c76ccdc5b1758dabc8bffcfca7fbc34a3d35ed9290c046b50ce282c1316158df1e11eff3dd59051effd745852bc66601c3a578bc0d9d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}