{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668121976",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x79707a47fe1b2a62aacd4f93a6515ed03dbee0f9688b5205c7f1662a3cca792a",
    "signature": "0x1eb9afa5a6f43098756135e8cf074fabd9a78cd69d3a69b87b83e29cf06979715906304155f519f87bb511c7f430d2fa59996bccda33f989626f8b2611f00bf41c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}