{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xd6e0d990396fc28343affb890fcb65c007ff698e910915ed4310a3c3a95a3d48",
    "signature": "0x6207e233624bc3c28655683d59c0c9aafbc627ee78f400ab5d07aad88eec02d97731c04faf5babf61f32b9325989936a40c13b19ae35a6e7847ed88f17fda67c1b",
    "signer": "0x78930FE8647a7F1C09F430CAb9652b4d94BF911e",
    "userId": "384485322"
  }
}