{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600660163",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d8b954274e6b0896c58031f6ce8ee4cff44da7c94b23e4aa5acda1583048c72",
    "signature": "0xdbb68322aa748bb629f2e1c5f3d7962c04697326e0a2f1e0513907e3e3994ed87b858033c4c3b9b901219c3882888e57209226c52f5c5f729ba39bffe17b0e461b",
    "signer": "0x12cc71bF02E05d24430Ac01F30544a50C5BDb063",
    "userId": "55609"
  }
}