{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538766",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4743bcc4c50c3315f2dcf6c6be542c25642ff2525c690f9b2723de8cbddd0ed8",
    "signature": "0x2f799974e3205272bab40d4bd0c9971915bb50944fd4fe694dabee32bb518ce51891136f9d72ee209acae6a700b6eda59c4a6d31bbbc2f8a6f77e4e66f3884e21b",
    "signer": "0x37C656432bDD87630C13F60036e9857B5ee36154",
    "userId": "288167767"
  }
}