{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6fd67276ac60a405284c2b553a9d1d27a9760b10\"}",
    "nonce": "0x270e28ae5339913cf4f2eaf2324a9a062d08bc01d7e000acad923560208cba69",
    "signature": "0x382d0301958dd39dd142a9541ec8cd04debaa6a6d4940ba37b2c3ca7c8f16516291b8687bfb3129bfed5c3d43594d3748cf49b6a7c0b6fc4ac2d4e2c94204b901c",
    "signer": "0x89e8D7982d9aB68437d25e76fB87Bb8A64a54a20",
    "userId": "430798495"
  }
}