{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758543872",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x58bb3810e21ab7691cc788aca34cc92bfffd6ccf572d98e64d1c1eea7c60e42d",
    "signature": "0xa920bccb461e6c6001d9a833610079b83d597253ec51f138a452425e9d54efbc6185fe1bcdd036dec4149d3a16e08f7c016c365655c69e7cb687099e598e75311c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}