{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x90baa193ed894f356dd694974b2bb2eaf71a3ca6c473c2920799bcfa97268ead",
    "signature": "0xe849e44769f55278a562b8ca98a6e475c33e1951e090cf56ba7f0395e2d6e1655bcc2b823692bdce4f86d85add9dfedbd707389318352bc6ded224e6162446361b",
    "signer": "0xf11A48754132c3ddABe31b1DdEec62540846d28a",
    "userId": "595714173"
  }
}