{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619192060",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3b50d71e6f66d6d1acbcd320f4ec6d4211cdefeab6b00d453be7f3285ccb473f",
    "signature": "0x3c2fca7c1f2ebbd076cd3416f947f28468cd064d7a42416752b6ee3c291b0f8e353e421f7c5f1cb69cb2104742d468a1f79049f92977394b6dafec19ad88ff7b1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}