{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115359",
    "entityType": "User",
    "nonce": "0x61e7349e7db2b7621d2fc108d284f75a75220c5ef610d3dba92cef7700a77484",
    "signature": "0x2940e24c27132c0a15df0b25b0834c9921911958ad1a80389692a9040ebc3c0935625e1400872bf0bd09f31ceb2ea9836c4606703ac5a9aa7db9aedcd0ff58fc1c",
    "signer": "0x647f7C07Bb90cCeC21Bbf4C1Ed89df3Bf5020eF5",
    "userId": "879984932"
  }
}