{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738803820",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe4685c64a90fcb32e2b25bc03cebadb4307b4e4b93248f7a8bf3b339e5b0a717",
    "signature": "0x86690116e9c38f96173e15e6673ac8610d91716bb6212e871318ac6887de2931181f59bd11e21d63dc1b4fda5b49c75d4b3adbc6ce9bd2f1fac8bb5de8ffc7761b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}