{
  "manageEntity": {
    "action": "Repost",
    "entityId": "390297",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d03866ae9680f166076810c0b2bb1af1ace767c5413d561824c6bfe4e6c06e9",
    "signature": "0xe88538f524d999ac7d6ceac01ebf194cca5dbc2a560c1fc0abeec79a8bfc15622e40dbcf34a898386569f36f7c4ce2924ad7c22971f88c15fa131c0ec0a57da41c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}