{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xc503cce098852d9644e9dc8d278b9eaf000c74012a6c3bba3f4cfdadb8da8bb0",
    "signature": "0xb763244aa9d528e62375e9e0225044edbbd615cc2bb93ef2416e877b2b9cd72a502a63712d9f8ba243def46e69969730af7e884bf0a95533aebb2c36db4465561c",
    "signer": "0xCDad39c211C3eB59f1cE1874416292966f4752e1",
    "userId": "643398821"
  }
}