{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x5d513e7f4779bda88701f94371c69b987a19cb07550b62d5dc23f899c8019b68",
    "signature": "0x1a3b288da8cf1adb46055966319bf368ff42d52a0e386957ed47bc381f8f259847c12c9f0cb56afde6acc84e731d813feb3a040de35cf7f4c234b580d021a7ba1c",
    "signer": "0x9766C31400BA18128649fFb7cD1d9Df549B4C367",
    "userId": "522437195"
  }
}