{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x02460997a75d13030f4463f825d5d5497733371ad95247b0ab48d119341ee534",
    "signature": "0xdd38d15044e01256d67a0b8e6f738674f8cce9fd192b030fcc723ad94ace3b72180b9d21ada2bdaacc8e3449ad315be6f98762f6441c35804a110a8758a3011e1b",
    "signer": "0xaAAd76e79dbc07dCF0bB733a6A61264DEfB01621",
    "userId": "364815309"
  }
}