{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xf85c9b4e8998d2d4dbbf94941022cdc7ac49b6e6532b2d8d34542be879e9d4ab",
    "signature": "0xed616ea730979cbe4be208503d8e0285b3a69b67a196c4b5aa4fac3379c2de1f1854e6b292d179263a1ccac36c531e483b1eb3e06da92170095c11b61d65d5cb1c",
    "signer": "0xE16277B04a130A939691001E8CAd751bBF8F719a",
    "userId": "817941514"
  }
}