{
  "manageEntity": {
    "action": "Repost",
    "entityId": "345354680",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x210ad1dad7f49265fbe343aaf662894af2d47e3ca63a1b9bba52c6d3e26d8feb",
    "signature": "0x2cf4b3d17149b2f35fadf1e51704c2ab4124a8340741eddf43bfb31f770dac2936a9ea29818d139e9bfb3995762affc50a2b60ad4232a421bfe735b28eab6c561b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}