{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x1fb744b86b53f61dce9dcd1eee6427fb613569e3a0ebf4ce6290211b7feeb574",
    "signature": "0x45808dcfb896d7a8558148047403c3bc0e6ff025fc5b720963547b23bb3b5cae2135ed6dd7f410c5b93ea1d83c02e4ec67b40b5bc038a576d2ff93e14f00e5bc1b",
    "signer": "0x211dddF3a8ee91BDcBef0B52B552d14dAB5Eb51C",
    "userId": "10660876"
  }
}