{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x950cefea7934dff63825ae394256c36348710bc1\"}",
    "nonce": "0xa7d2438f5467568f170242f543bf8370e4f6a667473ad95dad9212de4ec3afe5",
    "signature": "0x06056196cc8da4bc7c94a249e432df75ef38efc24a23e005912d23dc4684597f3f2efcd7521076eaf343cdc10467b71754b91ea932910acc7ccf74e196261d751b",
    "signer": "0x909e79f65068aa65A9c8d98F1421798A69E99272",
    "userId": "401960120"
  }
}