{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151430",
    "entityType": "User",
    "nonce": "0x1925b6a92e9a506ad39e2cd6bf47eb9ab88dbd866c2626ea75bd8c5ca280c3f9",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}