{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x1021c7c46acebea861ec20fd1c452e69042c0ff07b52de21f90f770d6719484c",
    "signature": "0xd2c82f412ec4adff262b8f8e6953adca4d97e02e90b297d55ba8f3f77b15813261c7d6364637bf8be868a05affe48d4ded9cfcdc9e9022f71ecbd1d87a5c06c41b",
    "signer": "0x22cD55ce2AB44535d17f92BDb6237E4863D5E1fb",
    "userId": "145166"
  }
}