{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "380579",
    "entityType": "User",
    "nonce": "0xd471016d36ae0b52256d1122e55c2755690d638235c9cebdbd9c5320b305f1f1",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}