{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555800",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c2b972010831db3f8d721c472227f950002c2123a5a9f5652bbc96f1cd5dbf8",
    "signature": "0xf3ceb9a0f758ae8e183e0f20a83714a6cc4c811a76186048953c566fc88a1201531bdb98dfdea435ef99211e0b150690074bffa12712279a56dc3a22dc7165311b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}