{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "335443",
    "entityType": "User",
    "nonce": "0xfa548714989136e3660e0adde1e14580e000b06643c27dc7b9da6255c28adf1d",
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    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}