{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666497",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7e19f96da30ff43b5c281abc0b56e2696e1e6fa42c1d6e70aabc3a535c7019f9",
    "signature": "0x066ed37d8e91e90ef42d6980348a3e18741d2452cabae6977eb8106e182d638c009007ee389c5180563d510a9dbd0a1e154dc5edd27f39a51c19bcc383fe4d481c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}