{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521733",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7927f53811e6fa88895b226a63f100c78b3a9a30120e78a83e3a746e1eb6d038",
    "signature": "0x93150406ee39e367056888ce975a1736efa3e53a9bcacd0ada1105cf461eac624e19ef9618985656935af082fd0d064fa308e31712cfb1deebd323584ca003121c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}