{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664790119",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x87bdafeb7e896663210357043af2de78536840ce06f62ef0ed04d6fd46a15d57",
    "signature": "0x11e80f68924bdf0d0389327b6c61bf6b42f7143b2b4d89999b4bd42af92218540d3897b5192e659d11443bc5ac24d0c651bc94163a6dc5154e9ce92a63a9b0431c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}