{
  "manageEntity": {
    "action": "Repost",
    "entityId": "408107305",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d1ac2af154e46af0e63d18b94d8a693de9ebe3bf8d659ae9d5da62974f6a930",
    "signature": "0xa081ee31d3ad277494f017d824aff7a44c8d739571faa7a7082fdbc42ca1f89d5fb51c70fed383bd412ba7347f0e66d3b7198f138e3873ba139a6b2b3b16b2dc1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}