{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644103",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x31944f054b897d359f258b3fd1daaed595f650ea4dbef62c83f944a64a9cd82a",
    "signature": "0xd58df62583487734508efe6decb2802f0654abd6f1aee1e940626517cbf6d5827697adbcdb087030bda063c49d3a4caafd0532dcb64b0119833f7c1837a6ef5f1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}