{
  "manageEntity": {
    "action": "Repost",
    "entityId": "2121663424",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0d4c5066e344dc9b6338bb4069a5fa1b0d0d8c7ddb81dc1d1bf76a7640815726",
    "signature": "0xc0944606bdb066d8d1f3315704bbb97ecd891dd31523b03b083d055a0d0bc6665ad71f57607c0d94bcc7582af62275c072284199ca99a983af03a43a0d5010281b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}