{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1537255938",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4fb8715de87879141b5eef260038db626034b18f8c072ce485a612381971f040",
    "signature": "0x466f91dc225bd4e640e4ae4d1d853562c499284d0c2dc0d6558759f9d5ba29013543d0c882493a23198f30633890fb077f0f317b3be494b83aee1830dae8fd251b",
    "signer": "0x1F9dC682fadBAc94c0Dd4ca2232a3f490704a737",
    "userId": "737872723"
  }
}