{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x9a6cbf677cb73a5e93574f1c30f4f48103d175d9\"}",
    "nonce": "0x7827b1e1842fadfea6524ec572daacc40cedd94b15dc75ee694f7c6352cd4ae7",
    "signature": "0x0cab4180f4eb7cb2b3eb0e071e9eaf501adabfa151574b1d8c6e5e7939370dfe4bc5a8ac8e16580bb8be873ff230ab3a65717ca147bd97ccbacbdf0f66259dbb1c",
    "signer": "0x485fD5408a4f519659F5C93A2e49D6af56F2A414",
    "userId": "479510483"
  }
}