{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321417727",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4315529294f596c9ac4d9077e33ec21b2a60d72975cfca40b0933b40f157f7fb",
    "signature": "0x3099fd1f870c6de0b2d64c3c2cb6a7cb575f09faf358b16e572fbe5d328e47ac7a225502a118d5122e854e349b65d41c8c4a45924a8a3d6e9c0d945dc9fbc5a51c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}