{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x15e520b0241fdc55e8b11fa21422868790170e5744ba57390b5c20684cc38f58",
    "signature": "0x9dbecec3ba72dc5749c587b4f849592d285a0eedc40c9d1ee2e0f4dacc1183ff276119d8a1349cb8a618fdfbfcb1d7bae6946992b86d97d15a742abd497dc3341b",
    "signer": "0x6ACaD1dbe228b0E98BAA5dA759B92F17515899C1",
    "userId": "270281959"
  }
}