{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1578882222",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa288ab842364538ae5a30975e5ac8e2235ce87ebf63cccb80cc68eea8dbc0e85",
    "signature": "0x0f593a3490d60e1a076ff1339f8f7adc0a0c5b997e263f372962f49ec2e2521a0a69615e9f1b57d077b3b0821448230f8e0e6ad00b5a326dd1de120c8f88132c1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}