{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x6b48b72bb08962633757be04033550cb486f02dd7088b717939179e4ce419e48",
    "signature": "0x177e922774aeae771fa4b092100a30d9f45c934e11bf132d15964c6e58adedb7340bb31ee8a487845d4323771e4464d26966b44514611a2ed35df4ad03c98d841b",
    "signer": "0x4Dbb24aE0602C978a9a3EFDb5eF376c952f59C33",
    "userId": "316956147"
  }
}