{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x29511b5aee255e6fab20e888473d4991aae4b3b9\"}",
    "nonce": "0xe8680cd31efa2e2939cbebf8e576af85b8c79b43853708378c9b887758e5848e",
    "signature": "0x74eb81a819b59186d175caa0797ae21a845ea2ed20f9e27e50d707c2de2060761c4a19d9f2f5f0e52d3192a98564383681983c8eb6b9d392c1060507d887cc061c",
    "signer": "0x74BF5Fa02AAFB3c7d214b2704FB610bb5c4f1e0D",
    "userId": "369511624"
  }
}