{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73839",
    "entityType": "User",
    "nonce": "0x9e1b4bd83fe8ff57035cb3cd2e74f0c6b5485155756258bf784035966e46e4fd",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}