{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "629576660",
    "entityType": "User",
    "nonce": "0xfae672c80ed27566eb07d831fc15279122d94b1062cf7f7639b91ea3d6a5a923",
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    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}