{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1483957896",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x16ddb849cfa7c1c4e9f5d4cc1d487d5b1640b486de69a6c41b1913a4886c2301",
    "signature": "0x9e6ed71068fc7f830b37f4e9558cd123ce4e19f45fe398a80be9b6181af211521e2b1d7e162ad69b27d3edf30244113e317015ae89428f43d4ddeb7c4d5e4d3d1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}