{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x1059c9eb48fd34a15b60eb871a535eafbd2a28a5\"}",
    "nonce": "0xfbd28d5fbb50b41ea4ac56b116db3076db444290111b80da5f4a7a812dee6ff1",
    "signature": "0xe495d929066f11ed95bed254e7e01ceb5653501a45ec88baae34aaa88a90bb522f0df350d0c5c5c22bda00b8b0bb2a5ddb5605f98228e8125bb30d931b76561f1b",
    "signer": "0xfb70543D59F8614d11B4D2922bdb1b80Eec0a0dc",
    "userId": "133478614"
  }
}