{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x2dbdbd797ed5545c72670dce5de169983f425467e48fc1f6076e4ff3960dd9be",
    "signature": "0xbd25809cc62c325bf32511a49eecb052b0e00ff192610bc8961b489534a8a4873b5951fc8a3c4a68c5e2e84131fa2f5d410558548de0014fe5a46bcdadd0fdaf1c",
    "signer": "0x5Dc449EC34af84Ed4a6f674CcC850D694f652B0F",
    "userId": "234095913"
  }
}