{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x95eb06ecdc333d69705e2ce1be596f79ce5273302398f8f2da296c48f13e2ead",
    "signature": "0xb2bdad84d206d4493a00c6398dbc8436606041ca0c3875df47cd13e540b25ae17d5f96e1198e9892c9ab4bbc6cc064204b5e364a1abf92e24ebbff191a6eb8c61b",
    "signer": "0xD51fA2c1f224Ea872f33a4309773cDfEe258b17C",
    "userId": "149834364"
  }
}