{
  "manageEntity": {
    "action": "Repost",
    "entityId": "554079520",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x56e09338e7e365846a3e005dc0837dc41cb6fac4af120bee3cf17f4bbbcdc5ad",
    "signature": "0x0491b3f9ccddf89bb0fc702dc0ad17ec0098b0098709b1fe5b7e8b32fc7d14fe5eab52fe7d563f6ef431cf003847ff5808b4f677fed0aab530f9f8f063761f481b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}