{
  "manageEntity": {
    "action": "Repost",
    "entityId": "474920",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5d5263507da89bcbe34250d4fbf2ab2a108a532729d3eb728473b812e679eda0",
    "signature": "0xcdf9ad65c2ee46f9ffe9fc6b2cc371a46b0bc0bc61911a74b5b2b535f3f2ef812905a7b40624258f3ebe2b2808aa6fdd707b142ee73b36371d81b48615870b2a1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}