{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300688439",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9ed94994ee5c0f90f3801e086c698d2311da251afb40b53dde2cc8dd877229e3",
    "signature": "0xb37cb436bb7e1cc7add45e5f0832fc97234f7f746250a3950b34d47de2712d5e442bc523868306b28467db138ad23e78f2e0ffc43faebfc5ab8918f6b3def0281b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}