{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1475185",
    "entityType": "User",
    "nonce": "0xecd8160a0e070b9ea9fcd3a8d8bd8e74f4599d68c56b83a9f7364ecbb1d01bdc",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}