{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "725844205",
    "entityType": "User",
    "nonce": "0xb0e3765bd87262731e4f6424844d7484f7fb336b0b6411278fb7c7f580087b22",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}