{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21247202",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb78f948cf826009d7da36141fe2446f644052a99446e4f16efe0345313ca5d19",
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    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
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}