{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857554035",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc2af1bf3f61217ec682e7bc26e9b2a1f90ff71fff77b14735e675094984320d1",
    "signature": "0xaa70c8cbe0247c091cd431796b0381e78e462e94716044df1ab38d938be4e41e2d2bae6a92784dc7fbd0e232e75ab9aefe10265396cc5590e0ac72770a7dd4ca1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}