{
  "manageEntity": {
    "action": "Repost",
    "entityId": "459721",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74b5a7006996ded6468affa6fc94218871967431897cb4dc20109cafce2a110f",
    "signature": "0x0eb318f725c68b571f71dfaf6aec710d6333b04ace0fb237ade1adbc193dbb9a114978c42a2ebca3beb81c2fd42756529a7d77d6b82cd5b2b75bab837f86be0a1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
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}