{
  "manageEntity": {
    "action": "Repost",
    "entityId": "550577",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43518aeaa078db63cd80f0e3374ddf8eb981695077096acd15d5e4e0af40ca29",
    "signature": "0x43e42429527e5934636fd8134d071276d71559a66d00c273707b550a0ba4c291269885398173fedef65b52de285387393212e3e477c5d95568d7b27c110b3dc21b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}