{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515225969",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd7b19845d9d00a67c75f4d09ae77ef0f4e78b0f65cd028fa916a3579b92b7b77",
    "signature": "0x5df229b4766e4a73a38f0cd2b3337fadbe08fe8ed81705850d8c175550596bae27227c3815618a2aae48cb3daccbf0e24ffd5b83c0c97f02ad0b13b22cc6308a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}