{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xfe1de2b7c99fae8e49abe5f29edf2214c5eb1cfd896d88f700289d6de67b008a",
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    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}