{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1462978",
    "entityType": "User",
    "nonce": "0x553117fb2b2f467db084116aaa1bcd3031bc4bee61b0d1f3915735e96aaf9d13",
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    "signer": "0xBc819B7444752c1F4EFE89a795c656F647aadb49",
    "userId": "627826860"
  }
}