{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457296",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5193184b7f4b2df43264745fb1db00255be17ae13c999ee4b76d28a0d8cca51b",
    "signature": "0x7181d7e0bb2bdcf1dfcf1f83f9a0972f1e79f37c5d383d82afc53f8652e4e17126316fed328902a9e1d3e48492cc53574b806ca5b74c45dbb381e50106db1b041b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}