{
  "manageEntity": {
    "action": "Repost",
    "entityId": "556433714",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaa8a556fb1e1fb582876f4a8a496ea178849fad89d7b65c266b98b8375209071",
    "signature": "0x974ae22fdc9e9f480d3406d11df495319a66be81c3a0fa79f8e0ad00c521e5232d5b9283e983dfb71f16918d7fbd7b5021038b244885f73c4d3de3743a136e6b1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}