{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xf001ebd25c71ea54aa32af24f6959c8546d79848b8c76592a7d04730336ab009",
    "signature": "0x374acb8f70392bb1be9dd489789cea7c18113ba551ac39fa4d29070dadfbf69e3314d56539b188e40192c99766aa085cc0cbdd4df13ca64a399d04ad288212c01c",
    "signer": "0x71e9dEb09D7231bccA11F8250dc053C41A64a63D",
    "userId": "576764532"
  }
}