{
  "manageEntity": {
    "action": "Repost",
    "entityId": "771825985",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2b01ca7dffc58b0b7f38fa5570491c1afbeefb0cda8f7cb22037a928a3e980c9",
    "signature": "0xde216f3f75eccdbd1a896ad70e978670e3087f6966e4997be66e64275cff5be96501e5e966fe38589aa7f3cb8c7a5753acc86ee726c6c685645cfaece047f0a31c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}