{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664722",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39e5eb56dce3c0c5c23ba2fc3df0071f76beef99de35a000e6bb651a7db14a62",
    "signature": "0x54c7a02623cc9b29c50952bc8a8d0471fc2303a19e6459eea6757b7981107e13665b5d2e1414b07265e3a6e5de46e461707b00f49476db833a8f141dd50544921b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}