{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77084572",
    "entityType": "User",
    "nonce": "0x44812d4cf90bc1700044480f6f4d0a86c084d236ab89d43cafb1ff2effeb4911",
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    "signer": "0xA2431a8293fD33C6289244D08A91489fF2C9f18A",
    "userId": "325308787"
  }
}