{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xa96e99c40643ab75e2d19db8f2a0960cc9bbf4dee0b6b57a81c4b0135d496fab",
    "signature": "0xb7ea395b7a82382e280814d12938c0e18fa62e476488d8c6bb7b5d62405927d5656ee12a373c01a9813590f18417a459a3b17b568e2f51abdd01e72066c8098e1b",
    "signer": "0x164256fD3FeF02d3668FFDf40A2E946c11B9492e",
    "userId": "674161758"
  }
}