{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x286e7ad8f9447d0112953bdb1684a4b4192ecb76\"}",
    "nonce": "0x8e0e98c933371b941bb27380867bc5bc14e473f45a687c275a60c12cdfefc495",
    "signature": "0x4ea0744c1f98ba730728544bbd3b3ddedc11b621121994eddf995cd94d245707399fcd861989094112c54bfe5fc419218f3db0622c5a3d7f630629b31e34a1b01c",
    "signer": "0x6cDE1151Aa52d3A59BD146358175cB1fc9A5e4a5",
    "userId": "644292819"
  }
}