{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x2e810b82cabd4262ceeb358cf826c159b118eed8c872e411b0ddc0dcca959283",
    "signature": "0x45687726798435c68ab472dccbb01e9f2026d30f61e657aa021ed93401d08ee97b6a501e7c30d4bea5afbe535c2f35d22cf62adf0c1fe1d6ac0250bcae81850c1c",
    "signer": "0xd526DCCf1A4c7BC4cf4A3EEDdb1291cDF71bC0e4",
    "userId": "425836047"
  }
}