{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196632465",
    "entityType": "User",
    "nonce": "0x04ef25a89c548e4934b4133d1b2143efdd8cf4f7f5abfb15a9c3cd2eb6569d6b",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}