{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1717913",
    "entityType": "User",
    "nonce": "0x77b19ac6f6cb30160473ce0daeb1c8c90839e1e50186a18f080d8af209a8d87b",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}