{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x286e7ad8f9447d0112953bdb1684a4b4192ecb76\"}",
    "nonce": "0xd9cb110f471d794c8d7b84cc49e248dae6bf7293485ffb18b99a2892af6019c8",
    "signature": "0x4925ac2a9edc002b44fe2407c6ac3723e35689ff4b83ed337cfbcde8764503093aca8a29b469a0a49421c2b763fd53d03baf7c9e13be43c374dd8fa540d9f78d1b",
    "signer": "0xc7d20C5E6abF0D600385208b6D1e0CC112B92f66",
    "userId": "365087247"
  }
}