{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0x4159bd2327fa3d11993d7d0ad04836fb111ce8fde12d0d61ec72ab8aece65366",
    "signature": "0x1948f62d2af3e0dd21c62b69880c6198c7a4d9075e079e24029acf546270ee336917a221dbd9bd4b58fb871189887a7e46d54a42b470194b13e41ffec6f1fb191c",
    "signer": "0x041263f2CF3f62Eb0BBFc48804443e54483E2A9B",
    "userId": "602199524"
  }
}