{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399478617",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9988cff76fbbe3369c0d4b870b60693de9c3fcd8913d44956b08d395ed5336ad",
    "signature": "0x0b5b5738ba8adf5269578c8df1537c6c00f02378680ce7c91390bac9053d9a276cd679f4b38f0a1e91a6b26852c39603aa5b3b18a7dadc9352c8cc495988ff6f1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}