{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188887251",
    "entityType": "User",
    "nonce": "0x084d5bb19de7a16a39fbb175df42730db17a8b69a92937ea8df0682d04f1a5e2",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}