{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x326831b3efb712f9ff00351b254af78d9779ad9abac7cbd7dee573798c89cad9",
    "signature": "0x9b2a704c3132a5cd88594d483cb9cd44c1b95733995106b4e653ed3d92e37dea05755979f869e7e30a360f2a74769d7ceb66889eec9c2053f158d5a4745c17d11c",
    "signer": "0x7C1911dB1358Cd5Df129da3f754D9C70236d7A19",
    "userId": "668393522"
  }
}