{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555975",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5b67a248119f6b74d2d4b2c83f956a176bf29f4873cf2bd770b313fbcf6b2e3f",
    "signature": "0xe4bcd8dddbe018ee3a579661c6fe94738b78ebffdc58e67cc5565387e657ff9259f786151491319da372900d91467c56e513925a6a26e2294db1f0bf1d9197731c",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}