{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1520629999",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0358ca36f213d0fea116e493f30f642dae483df2574414b054ce473f9c8dd1eb",
    "signature": "0x14e6252966466e54ed830ca068377edd9d3b9fba8bfcf2745810e9e48b533bce549847cd87c7412252752e3be63fdc12d0e72fdec43803d71b4100cd250c38241b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}