{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xd52d35b37293afabd15e21d0627ef785b72f62e57dc2c942817febe20ffc5f6b",
    "signature": "0xc79b95f88948f01afb19034af77efecc75bae935fc38025a5344d2e34c61e5f54f346248b535cebdd5d30b4cb4bff2c27d648b1314e67d3fa29d2c456387da131b",
    "signer": "0x5A704E4836BE237eCf20C744222a66D63159B022",
    "userId": "705411547"
  }
}