{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x2f992d8664bc93286fc27137ec3d89e63a773960e214581b9f20b083b98a97e8",
    "signature": "0x8884b83a68afa40af7facc74a912e4ef65c0ce559f7650a1d8c22ba188488d64169eb4ddfca244c5574e06fe80c5e4204707aea1901a3ff661557bef994a82c31c",
    "signer": "0x49b7e7A51bE928aA9A488bD9C9459534AC7E2621",
    "userId": "208987419"
  }
}