{
  "manageEntity": {
    "action": "Repost",
    "entityId": "804809",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f940760137985d550d42da8c4d3c2402bfc43196051805b88d8337b688b2952",
    "signature": "0xee111a6bf79ccfd5c6b2b57ad8f1f7c46888489f68f0944629b02def1876e9ba21dc42398101f6c73718fc2741be9ca7486c891abb291549a22dcb15c015d8511b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}