{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xc037ce34cb12a8bce5e545700164b443c1a9000b\"}",
    "nonce": "0xc0b1bf3fc8c056a3fd9592ee069417cf1136ad721a33a265ff8bbaaf50d4d2dc",
    "signature": "0x5c946a377cc8d4ce6126d76f3910f7ff50a596f81094613e6340784c90d9a292252dcd5d1f8d177cdee7233c856213879958e2f80ea6b6a45418d1a14c4951ea1b",
    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}