{
  "manageEntity": {
    "action": "Repost",
    "entityId": "376563",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8efc2d77209e7db5fad8cf60c993554b8530f19c955e0ce6bbcc06a442c35b6c",
    "signature": "0x39a996af0fe34c05125548f3d296b1af291ae4c53dca3eabad859aebb6d5c5402c235336a48f402dd89902327ddb98369ab5023836fcf0f03b9237a02e6fb02c1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}