{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123421261",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x896832f8f32c9e96341e44b767da60422cb7d35b047834e7ca6f9ce49e41a48b",
    "signature": "0xa2dc9aa88660505c4a9f654371819f45fadb245fc4848b962388562d76b322e52e2094c859b17e3824fe8f6401510d7cc3214c2ec785cb2994b6face528308da1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}