{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1497451881",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1ddf29bf01e22ed30c0aa8a35ce338d102c922e15e4d51ffa22b48fc20825b0",
    "signature": "0x8c993d435075b99c866f8e8dd22667fb4c6e77d3e05db08031d7b7f42c3ded177d890525112455306a74cda6054fbf77a00fcafe4a21c894b732723b83c0d3231c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}