{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147893",
    "entityType": "User",
    "nonce": "0x75d569606a4d9a3d589ed539f5dd9e60f0a04bf1c3468d24f563d1a181c9f640",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}