{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x596608b5b03a7120dfc849c3a50a5214fd4fda7a8de2f4a37497b2d3c2fbdd3e",
    "signature": "0xbd89509735c0c61a57524161193815cd10baa30b043718555b44cb55e72509c16969bb6e20c177229c847721143c588757b7bbe1a78f97a88e3126736a2fd2bb1c",
    "signer": "0x29D1B174795eFa92591Ebba297EA5C9e4faAC17E",
    "userId": "235348589"
  }
}