{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120125",
    "entityType": "User",
    "nonce": "0x531487fca11ca56a4c10e05f75709937394eeb6cb243ef256bac2dfb5b9cd76f",
    "signature": "0xf8006df68122907cb0a1d699b9a855895b5e1969633b780bf1aadc85963475e809f2c8e143ebf44a1b7ed7c239c634d47090ff002bcc59b386c3f14730cf38a01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}