{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448911601",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb1780d75a197384f9fee983bb3379cdb3fb93e7455d34559f6ddb704a2abb163",
    "signature": "0xba46775a2ac4a304d67672bfcd463ef43453ab3cdffae5525d118029e47567f520d0a6bc83c7a64cbac5934a38ba6503cecc77e3f42559ce7aaa0f0dae3113831c",
    "signer": "0xC9e4fe89311517E71e968f6DE26A6c075A639F41",
    "userId": "964899801"
  }
}