{
  "manageEntity": {
    "action": "Repost",
    "entityId": "520702464",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaddca241c7f4d460309a4ecb692afd50d6fdcfd69f39a95ab64a83cc71f1e9b0",
    "signature": "0x5bf6a92c064c16c6166496be75a4b3c3b27d70dc89a454ef5854be7db72d79332381082b3402c8c93a943b9513efc524218e7cd0044f9f584fd11bd8312175201b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}