{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1785597",
    "entityType": "User",
    "nonce": "0x792a56dd1f60d88b387d10b39f9cca80489f420df3575c36d2acf4584db4db92",
    "signature": "0x859068f9e250ebdbaf16ce45e3d0eadf221d416cee8d851e99fa498626f3221843d5cc1aec7866975126e6aab07f4c5ed0d2f4250dcb60309449b130c3657b8d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}