{
  "manageEntity": {
    "action": "Repost",
    "entityId": "731631639",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x56198b03055e970776911a2a34387d80c7875e23a6b37f05c874a56539e79dfd",
    "signature": "0xd938d96e11e35be2f57262fc0f854db77981d8aa153d7b9bd589ddcbcf5d919067518bd96b054dbcaa28231272f69a882e6c08d07c1af67a9cae3375eea4932b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}