{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xdf2166a9283b9597d9ac6af835e3766865e64a030e3dfc1da5417d6ec1b2c748",
    "signature": "0xefa604f215160d195b708ca10f79ebda7364c70c7d66a57893e87033cfe08bf81de318af0b12b62fed5d389008ff6aa7b0b3cb4c2707dac869f8b384d25de5a91b",
    "signer": "0x6633F9Be6a27d3cb44826ef4E659afC6B941D92b",
    "userId": "33495677"
  }
}