{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40050",
    "entityType": "User",
    "nonce": "0xde1e56712f830236741d11122cb098f67f061dd03eebc0331eb63894a266b4e4",
    "signature": "0xe1db8c35de1511dbf1ec3e83f7b6b6a7d91235c7b302dbeecc5eac5e6b427a40224f3299232397a54acf7bdc51d618f9cc7c6f25534835ab55c3d5b3fe391fce1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}