{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543606",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2613117725f8cf0a8a7fe16d4f5d4f64760967aca7acb20f006ebc6d7a29a956",
    "signature": "0xfeb4604efb7105f7a5da3bb309badc74b67dc0fabb58a6cc79f0782a65849c4278d9dd6aec62f4eb1fa7d746c1cf50a7575234e8f66679281442cd38b766d3011b",
    "signer": "0x5501467AFaA7897fBBD65dE583c7E74577B92f74",
    "userId": "608591950"
  }
}