{
  "manageEntity": {
    "action": "Repost",
    "entityId": "550704251",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x440f418f6669b07b84391c1c6ff1ab2060aa9feb38e9306afbf0100539de83e1",
    "signature": "0x445a0c02bba660b706b3ca657c9a2fcb0ff295da5c116ff1c9b6264cb387de8c0c15f3fe3f18c778f08f2802874f373ed5046f59656061bf9c3a0c6a7665c6801b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}