{
  "manageEntity": {
    "action": "Repost",
    "entityId": "143922",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb453ae3a014183dacaa658eca155da6392be6f520810db0aeaa620049935f770",
    "signature": "0xc200dcf15a61f171872a20eba79acae3ca164a92a263b58d3946afefea4894c268ff2c8a23d1e953ef0f25bf894cf718dd20cd6c7c2355f643db39fd4f9331501c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}