{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xc85db8604b6d956dd111798ba347cf97a7e781e105960d6e8b92c36c214ea8a6",
    "signature": "0x5b302952569b07f36fbfb7465f37b9f4fb0584846ca01e09c0164fe6f24a46144964699d1319a4c6cdf88172280d28b08a69c99d941847d091ddfcad027e5af81c",
    "signer": "0xfc0C1b7B3bcB19e19B000a5a5B7314d45518bccf",
    "userId": "20917402"
  }
}