{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6f9625d93f40ddf323f4f86b54263e17d81502ba\"}",
    "nonce": "0x7cce056adf6dea4badf38e1809e8ee031f8f638a08fa3dc2a8827e008843b3e5",
    "signature": "0x5f85f9b171266a82069804aabc21b5159a8385a9051b050be0fb658d500cd0eb331ea79a9dd0b25eb9458832c2bf0d15e3fdd6e909a9eedc763801ad556bbfce1c",
    "signer": "0x3a95317aB78D4101E1eb8B44deA9918EB55cEda2",
    "userId": "317509889"
  }
}