{
  "manageEntity": {
    "action": "Repost",
    "entityId": "819565155",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x424a7724a680ebb48551108f48ebdda70dbca0188dcf6b8459dd1e156d9a3eaa",
    "signature": "0xd9490d402c8891ef4b65c3d4a69226525b91f865e812cea857954ee2cb0f65c112d65e0d319f73042cb79221e10a343bd7b4b788fa55292a1e078003b6818acd1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}