{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x7f4f1e9b66875a2b201d0e31a60a10f121257e295430ada7a08a9045e8d87e5f",
    "signature": "0x1f871a1d196dc00e8e2e109ea45c099b1f1834b006800d7d91f65f8e092857ff6bc2f3ab3b369e4a4e741b23106243fbb9caf3def920a60f12ce9dc74e3751ee1b",
    "signer": "0xEdB4Df1e51B3107a48fF6d17937Ef551321a2A7b",
    "userId": "933935152"
  }
}