{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205075370",
    "entityType": "User",
    "nonce": "0x7eb9bed3b0011b14e1f6ab2d480a2f109eeb56bf72c92c7f8a97270f72bc607f",
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    "signer": "0x8E607E37c1f1af1AC91ae76B9516A1deaDa966C4",
    "userId": "783477083"
  }
}