{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x03d81bb3061967cb1bc2096008ea9b972102de074ba0db1b57beb9ce12cd6c78",
    "signature": "0xce16029e5e5aa50a295b25e736bfb6ce5f839fa6c26d890d6a599486e55456d53b820c830db96f7a3e8f7881c795b090fbe295166461accc8e21de5897570cbb1c",
    "signer": "0xb52E8FcE6ECCedf0147ce1d916621AB9fdA52bEB",
    "userId": "860699447"
  }
}