{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "346849",
    "entityType": "User",
    "nonce": "0x9e61f350e948df15a282aecd384cd9451b76e7df1083ed112c47d3412c319db2",
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    "signer": "0xbBd5eA31228BfBbDD8CF5C81051073108eC9798F",
    "userId": "94407"
  }
}