{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1210921281",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd288fce0132a5f21b7a9ac68bc8a205dc3d7735a39751203ddf4af703b34bf21",
    "signature": "0x37be817ddbe84951fd054e23bffda58e1a536c52b23efe384527ef8e0c5fbd9511267551afc950b6a494109690920a5074396fcf1641134bd1ad043fc0a0bb721c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}