{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x2ba52ceeaf1da8850c8497963d7e18c72a607b800fad0603d45d30fbf33406b2",
    "signature": "0x0f9f0d91f5622fdd0ffd9c4a9deb3dd776959722c51b7d24c959c4b43d8dc88c69c9dbf24041958510b25deafa22dc35b0d99f33736dfc31362ead037b841e541c",
    "signer": "0xfe766b536A94576f9505fA20c59ff92D8f72dAf3",
    "userId": "799013053"
  }
}