{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1408516521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe2a984007d63d23a17307738c52f53598a55924803171fa3523e125f9f59c861",
    "signature": "0x464d42fb90aed0e0041868ad5693b0f2522c3836c0ac599363b63e0d94b6a1620b5b3bc395f5196d24e7a33e3a3f868389a02a00753a7b10821c55ba8a7ddeed1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}