{
  "manageEntity": {
    "action": "Repost",
    "entityId": "200910",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb85e5229784843eef01c1c3b02a8b4e87826d6e8ce1612634c66b2f0e8b09e02",
    "signature": "0x422787b559c0749613abe07fccf7335761a70150550f87b37ee776ed1ca210885e8374d54b0c558dcea807c146bf04dc4826bfe76e0bb1317aa44241064fe6491c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
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}