{
  "manageEntity": {
    "action": "Repost",
    "entityId": "510195531",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x378c47182843baa9a7312a380eba39cf0c52cd607807ed6586fb2d27e0b7bd14",
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    "signer": "0xA66d5981794A5e084FBD9adBFF28F465924fb9a9",
    "userId": "980224167"
  }
}