{
  "manageEntity": {
    "action": "Save",
    "entityId": "95740447",
    "entityType": "Track",
    "nonce": "0x3ba49f4e3897d8295d5d399dec5235e79c8f9ed77df2e59f9d1541ec05958d44",
    "signature": "0xc155325e027ba760b2557fbd1a67da363bc40cc4f5ea3aa34b318917f36500954a0b35576ccfb34d8b3f3a02281fab134a852c8b0fbae672b0dd876a790a857a1c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}