{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xc037ce34cb12a8bce5e545700164b443c1a9000b\"}",
    "nonce": "0x2bc430d539606e0bf79ffe4aeab760db5d4c0f384862fb139fb9a91653787819",
    "signature": "0x72aaaf2972144fcde9cf52b168b7e44d31660f511557e8da87448b34f2e3a1ef42c8931f719964c76746c133d965ccdd938aca814fdc49c2de9e7260670359691c",
    "signer": "0x95d9E36C7e672a785E0C50fEC4d240BcAdDf7aa3",
    "userId": "575125881"
  }
}