{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x5d45e08b1c87f6110ffb40def8045cb5d4ac220c195a608ec7820b79ba8cc279",
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    "signer": "0xB58611D6a788837682Aa82E66E03E039fD615a78",
    "userId": "104697249"
  }
}