{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xce7389f3934b248605853010eb3f455efdda1a0da5d762a52f5cb3956b63139c",
    "signature": "0x915b4bc9bd371f647669b6d99cd6f722cdce7926bc19899b335a7ba6a6d431b46c8a553281ae3f37673cecccfe0d5b7cb90e2ba06385743693dd765a9e6e9cf51c",
    "signer": "0xDf89584937BA31Ff42B92EfAD5E053029D83fde3",
    "userId": "650560618"
  }
}