{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "780083254",
    "entityType": "User",
    "nonce": "0xb6f15f2f49d4272a117f834969f38a97235946fbc7e976bdcfe26121c0d24de0",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}