{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965962383",
    "entityType": "User",
    "nonce": "0x38ca1a6cf00e56b3e06126020cd7a289862a18d7e77890e27610b34e74b0d1c3",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}