{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545460647",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x134c0ca57ce13748cb3ecbe5c0e2a5e393d308acfefb8b80a1dd5ac9767afc6c",
    "signature": "0xcfbd169aeedac475313aa7a5698bf2d8b9fbbecfffc078f94d717abbf7243eed7ec2eddad0118a004da3be54999c0210ff7cb3456c7c99de71583e4363a8ec6b1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}