{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1216859574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x70846a6cdb14ce022a3bd009d6fb3e02e42a37beee1d62571c7373d0b10fdfdc",
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    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
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}