{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xb4b820e91de1f2604a1a38dc12a5fcc414c72aa3de059c01e0163be789c68cb2",
    "signature": "0x471031280260b90832317d8e2836f921d0bf24d28b85a4d0e2c8f071012bcd5f023476a60011e4cbcc0e93af7ef9ecafd8a3f8681aad60932f8ce2837e6e3a911b",
    "signer": "0x170BcAb9f25EcCD0eab4f267C7ef19367A47A308",
    "userId": "452012094"
  }
}