{
  "manageEntity": {
    "action": "Repost",
    "entityId": "556653803",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0f788fcc44c524678e339f2f7e6e32ae41994bbf33609a000f79537316747b92",
    "signature": "0x52a683fadc96164f45e5d1f145cc6daab54ec4d8c73383c65871d05a242f16a517f9b87a8380805b0b057be4c3b2bd1cbdf5c8fba23f89616cb48cc9d3352b861c",
    "signer": "0x8FF85C5AA450a88f13FbD5170e24E2a3eFF32518",
    "userId": "311829956"
  }
}