{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445854",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1967b0494bc8ce894a9dc62f35912fded6fa2d94e3b1269a73bbce67da0948e1",
    "signature": "0xf81d331ed3ee55d2af3539983d27be836925ce026f2aca5bc678dc07893a49ae3585696330799d371007ccf37d5661676a7786c002595aaec072f031718d2c061b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}