{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504421",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x96e5136d1a9acb5691d31b50d9857acaf2b1d16e3b4e5c835caa117a435dd9b4",
    "signature": "0xb59374bcf8acc7246cca6084f067ee994494458c92f963a5de7a7dcba5e6641110a3fc24c1aef685e4c54a8e1118c5d8881dbde807aefb1e5d4337f4f30e20ba1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}