{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x189906daa501ea6409358637dec538198753ca14c13e2e7a1dd9d066362882ce",
    "signature": "0x36e8f0b2ec03543bd43593d2d3269b0a5bc9218550a3cfac360191630de1fcb936c5746f5f6aa56afa7b2e90e085ab69d5de8bbdde38d6fcd19b683c2fd174c81c",
    "signer": "0x61B1D85DEb58913b7ae9dcDcD34aF50febA5DC7a",
    "userId": "543934154"
  }
}