{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664790119",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x508e106211f41e7b6611612cbfcbed6f0361987a895acc1b17d4f21e764154b7",
    "signature": "0x92e6f210db8f64ff7909371f880dbcbe13702349cbd4b43e693890d44278e59d0486ce1a32032e70412edd8c963b6237cd5e5903abdd31a51640edd0f17cd0381b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}