{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103594248",
    "entityType": "User",
    "nonce": "0x6fe5b42477bd1bad9c2c5a5a3649d63a60f35684a81e09100115684d4d08534f",
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    "signer": "0xB63c8A7B935b55823f383e8f19B6207FB6b31168",
    "userId": "330374208"
  }
}