{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1519040174",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb536b172e0bd7250e966feba72f396656eb9e85d3d3f9f796f735d67d3d3acaa",
    "signature": "0xc8c9f07ebc836e611430591c1f0c6c7e52df85c23062035532e3a0b21b823dfd7d61f8f4916dddbd06c6d801eb3c11150ce4bdc654223a2b59c7bdf5a9fabdb01b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}