{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "930634116",
    "entityType": "User",
    "nonce": "0x657aa089392a487fdc0ac0b2c0665649015fcdbb016f14921f1bb23d74675636",
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    "signer": "0xc88bd025b5DC52Cde584b07899B6E5C854Af4bC0",
    "userId": "781543844"
  }
}