{
  "manageEntity": {
    "action": "Repost",
    "entityId": "590419",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74012118bbe7e6232342510c5d8924f243fb4a5d08b8cfa946c881b425254f9d",
    "signature": "0xb22ca2b3645ecaf14b7e594ae65897fb00c9d0eca10fbd6f1765070e953bf6dc6a19781940b3f1af521ac08f2926bc7cead9dd9839f2df9c3d9f0305b9a70dd31c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}