{
  "manageEntity": {
    "action": "Repost",
    "entityId": "921156",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x91e2540b5c1b981599b24e264e6277617355f7907734d04b895df4038001dd91",
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    "signer": "0xc0621be31c1D1B62b94F2d48eE34dD3c3dA9D57d",
    "userId": "161438318"
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}