{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x29ee23ef573e55dff22e6580a2287d69997d2cc5\"}",
    "nonce": "0x55a3da9c6387740a91d806e41c568dc420bd7d283acdf8252887db0be1f4acb1",
    "signature": "0x8b6368721a8ee63721e30825df1979734f5b6eb0a1c176df695a8396090ecd1900c37649b72864c63f3a676d146204a3c2690ceef3c0e7deeabfc07dac636bc01c",
    "signer": "0xCA22791701ce80c4fc3CD7796c6a6EB99b1AcC4D",
    "userId": "115354767"
  }
}