{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x6913b07ea8632a278f4f92878852dc8c4bdd5b0b94079cf598101189238e4976",
    "signature": "0xaa19afaa6fe6561b48ebd82273fa71a2fd2af9c7d482496b59788b959bbee5191982526f125fa81b672d0fed6a1c7c15308832b9e368bc3ea582d064056febf41c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}