{
  "manageEntity": {
    "action": "Repost",
    "entityId": "397304699",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x131a3795b32924833711373a003c22d06323b8d92ffa5e046ff264fe932dfef5",
    "signature": "0x1f80e309c3eb7666bdcbbb7ce439c2983a53ba0405ebfe6fb0a0166fda27cea15b43fbddf99190f98fc55a3c5c1d04b7e529dd12a8c9018d87af8f3680b83fe71b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}