{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566902705",
    "entityType": "User",
    "nonce": "0x0618159daf37f1684210fdf2f490b9a6cf08f51f048c075004c4b6a0929a6f82",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}