{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509921047",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2062995acc73e88d4a11486744782db3699f22a31208f2f95885647e33e5fdd0",
    "signature": "0xe440d613ceccbd470d4474696e2ed1d9c7dab6818746ce9cd4f4a38d69d0064e289b24f27125777457acce5acc3bf52ca0f343b0f0490f0cbaa2e1026263e6851c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}