{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640073332",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x457655d6e001edffb7c4403dd2c60c3e852b9a4e9e6139a125d5777f13ef8fe8",
    "signature": "0x3dc1f47f38831bb081ed62597dbe54541073a31e26f23cde78637cf0f0141b9e0d233da3426c498baa1b4e99871084dd3e10290bdca47a4a48b239772943a8ce1c",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}