{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555788888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x895a0fbddf661a8e09d9225d4f6d2d96e9bfb45acfaac56936123aa9f4ce4ba2",
    "signature": "0xe4c2a0f0de04faf99d3f302ee3981cd01b30ee74e08cdba820837621491e1ebc3f052fe58b0b015ffdd1b6cb7c16362aab795dd59774b7cc949f75a312f928d71c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}