{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14942",
    "entityType": "User",
    "nonce": "0x4713d63f10c0cfbb0407c9db6b3a83be7dfd997d09c033aaa7e0266d5849093b",
    "signature": "0xb5249458d226be513360609277b657f9e4c41d75b27789d85aaf276722c63cf63139d3eb212aba29c40c50b82634a4a40ec7c17d5de1967eeaaba088f10dfa381b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}