{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xf0e207d3820a5c73ad4c261d56866cbfed793571eeb31070d54b40564a45de9f",
    "signature": "0xd3fe6f5dfc2e878e1bc1ea6298538564ae7655f1622e8041c43088c38940d06e53ea7316ba34a6e1b2fe883b50b96f518d78aca7d5111b7609b802ec770a45941c",
    "signer": "0xD8cbaE70B9d02e5da769079c7c5eb2fbf7E2F95c",
    "userId": "182736679"
  }
}