{
  "manageEntity": {
    "action": "Repost",
    "entityId": "744519328",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x45bb70ac045dbd7a93ddedbc1cd18fe732fbcad1258c41a4007552d7f8b1b69e",
    "signature": "0x3aaf5492bdab738115f42e6e93d92f30f72a6bfbf31e237237baf72244d97852308b016a5c46ad21abe0874955dacb150b06efd4fba4d0d7447e146c56cf4b621b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}