{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664719",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x225ed49e52ee6c900ceb1821378e56ea13a1ba0e4aea3f9030731374adf676a5",
    "signature": "0x85c325f60293d28580a7dc44a505d8e2cc9c4e12b4515bc8ee68867de9a630af01f5879a53f2ed87f98d5049f1885d325e1957a48d1fbd2aa5aa3d2d0f3ad9071b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}