{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21315523",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa9330512989d60219eab30d2756527a4f892650294ce668d3e41a1b46e8a9315",
    "signature": "0x40f73a6d0fdee25da31d5ebb4673dfd7a37e528f7381107b49daf8254952f7647860f8eafb35e222983c89a64be0717abfb0f53bb0b745a79677cbed5809ab401b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}