{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x397bcc0899787bcb03ccca0ef3b38710ca58862a8172e77e0b454ae591b76d60",
    "signature": "0x7cc31c2177184da3beb424cde2eddbfd8d0895f80c30fedcf0fb76418f394f9513ac6286353a1167c7ccc76ab618593a4d489287cdd50e3d8136b63252b9dae11b",
    "signer": "0xd4614D99680E0D5Ae4629DFD26c678C47A1a9Bde",
    "userId": "175028576"
  }
}