{
  "manageEntity": {
    "action": "Repost",
    "entityId": "405465733",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x42f5cb7ba0515bc79d5a24d30f5dcf03a339ebb1ea3371d6c9d80dccc6b61f4d",
    "signature": "0x6f66cc18ed173e101d23b12f2ec7a16afd4be45adbf6f5e28ca0b7cd90f7eba03a8f3222d5842b1da087cb68dcb228cc91f5f4c1f6caa50539296fc1a1e691f21b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}