{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421384",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc3a6f56f29330efed84e4a8d8cdb52f7b107967329ec2eae954d678a069dfe3b",
    "signature": "0xf6cf863956e80247da0d542d2ab8f0433965faa56499d7ca634c132f8511f72627ce641637e2b755d6648b1c4b28aeb7d0b60cedf029b3fe759ea414d15a6ef91c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}