{
  "manageEntity": {
    "action": "Repost",
    "entityId": "670144173",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x18cb5b41ab2e3b98872c195356380709ae5634f7e58effc2b941cfd19d5f7cfd",
    "signature": "0x6d55be01ba61a9ee89ea9f350729625750994e4b6854fcf79738f8162ffd763f56625f7430a74b446a74fd780a5881b61fb9fecb100455680a632e2b71a0e30a1b",
    "signer": "0x4F8e40E75E675f5be20520c4cEA0CbD7bBb999B1",
    "userId": "991796067"
  }
}