{
  "manageEntity": {
    "action": "Repost",
    "entityId": "323588604",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1d57f15a3f7ff6668abcbc42bb19cee6b0acbeb778ed76870f9614ac2d64e255",
    "signature": "0x6a136e1ccb29f86aad0f195b58ca5cc8a44ee725887f21c101579c677a2a841c0a634559b8bf78d6592347e4c362849bc0fd473ff2642d750da975ff99a4c4371b",
    "signer": "0x4dafC3e774A1033C5604372f17ccBDcE545f478D",
    "userId": "889450527"
  }
}