{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604128",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc5701086807ec4e8d08145273f655fcc07591758bbd590d9147d834f150acb8e",
    "signature": "0x53c4aeb7a57b208ecc4f30cfbd812b99c41ec557038692e5467ff42083feaab219e8c9ca5df6f716ef9375d630279553dd0191033e93da999f1cc54a90422a231b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}