{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1415177797",
    "entityType": "Track",
    "nonce": "0x408481ebc866eede956b04aa09815cc581832be4337c5afa7a744d12c4821e79",
    "signature": "0x670369e44ac27631723b563b30caa3ba1ce9ff6e2d961f3fd4aaca108e1edfff7007ba94b11e3b80b1ce943ccd2880aa99a128563509ff4f74ef8c77a4ac0f601b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}