{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x683e3967c4271aca926fab5a24d46d6b5b21a4b4c7fa0754c0e48484538dabad",
    "signature": "0x630ed530e8ea0d99c897a904ec42787c1dadb91e1ab4727ac8ec3caf343116a06cabac244dd2a7ba359068103ba88445cac3aa918375a76382c978a90bc87ce81b",
    "signer": "0x070CF9b957754d045c10eA9D937A777Ce3A3f595",
    "userId": "924752699"
  }
}