{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515937300",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x58b281eebd3b6116c852147f967125a923be6f1e97eef0faad03fb34d6ec0edf",
    "signature": "0x6f4b6dbd2df6dc8b839f2f2b653e572284c635be7c5acd3afa4309d111530f44325f06c4b8645e07ab3a45c44017286796feb59e52a95f86f96cdc3323cc182a1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}