{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21638",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7be6cf79749b0d792b65520f77331c6bf576e531c67f802f1936b46216564663",
    "signature": "0xd2708f196d6a02970a5b2b18f379b4ca9504070a2212c2f970afa0d111656384485fc6bb9488c26064c9958d1b899be6069738cf632d498f7f6a0ff8ae941e531c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}