{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489443920",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaa78c2dfa5672a7173c15c3a077d27be57117c784e229377c0e3394730d62ba1",
    "signature": "0xf633dcf9ae746674f0ba415e1d8ed60e01f24a849a4becc54ef7c04f47fe3069437cfa6af9df3583af47d641334b1f1b9e9f4c92786aac6f43734016294885961c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}