{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x67a1278f08dcfa943648d7320924fecf063bf5562419d34a67863ae8760c8f92",
    "signature": "0x9172efb47ea257ca3902d633c10b182d87b2a654174b131babf75b9d14e8a5270c12c7e1948690d9e8cfd110d0fcbed2496ef1b8754ad9ddbc8e49d411b67cc31b",
    "signer": "0x1dDEDa333565D2E40f9A0A3e489ae38CBf36aFd9",
    "userId": "194765"
  }
}