{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x6d5b608b10a162c7c6748068e56e5a7969c17d2e5394580a7bc1c84e81b188a0",
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    "signer": "0xB1ce215090bA6C97c8BCA56E838919148eec01de",
    "userId": "311230268"
  }
}