{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1921899035",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8e2292e44ee18f41b93cd6f4993f468b34e319b9f26a17b1c6ff4a13efecfbc4",
    "signature": "0x5adf99958b4604ce05a9f8d5d304525b9e7cecff59d5a9e98ec990770a8d2f596f276d72e4da2a555cb011728353d89d0e8c4f737ea81c0a62af2b44c2e514231b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}