{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121313",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb6ef82a5e48b46b9e9639eb197daeae117334b46175b2ef6ef0bfa3a3000a70c",
    "signature": "0x1da75a12235635d44187745a5ee80dfd48bb0dee2ef35215f9898f20916050233b84ad997cf3a4fdf1584e9db87f54f326c06d036c65291df21760df7cf17b861c",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}