{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399104486",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd4fe6afe0c6b769fcbfcaed974c34ff13e70a43fe842d8f342da8b7c5b1b023e",
    "signature": "0x29646b9e8e6535e3772677554b40c352ef9c27a17ea41fbafae2e7446aa30bb72b373886c55def2dda91e5a07193d297e3ec57ae3624536d178f8b21111aa0051b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}