{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x9b6f99db7fa332ce9ba4aa72fa3acfeed46d1044fd72c16dff86c2ed18c6fa76",
    "signature": "0x5280bc0d579401241a27592fdb6593f85ce2cc942ffddad274f01df5f5b5ed020304913b1a5e52191185a99da713e4b1a18db6433db100315d54199d5ced38291b",
    "signer": "0x980fB39c3b345545F68A4e9Ce167ee9AF327199d",
    "userId": "74149897"
  }
}