{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x441fc1fd765b025f79b2ef1f39f420b616af0cbb83b8557ef0a43bf8fe690fa9",
    "signature": "0x8a6e33da51202365b857f9d660125c4ee69542cd3a8a4d56a50ed668145f21077d7f75dceaf32dfe735cd2447d62a9f14fdb1de7517c8c0baa6dcf9ae8f90a361b",
    "signer": "0x218Ee1D9E6B7A8Db701bA04f8681b2355EC4D4F0",
    "userId": "562459983"
  }
}