{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xaa2d1f8276d8004dc91cd6240c5fe45061566350b801e16e6d1cf324318870aa",
    "signature": "0xec64ba6415939f387d4d5eb8cc829b881ce6b2e22ed789ddf4d785c5beb190e1659281ac2ad1e85f580d83c307e3771a7496d215affd81cc155e08ae0077ce1a1b",
    "signer": "0x7C9Ca6EDBA9Ce3f2851406Cd48d54EA42F91ddbc",
    "userId": "242980750"
  }
}