{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621238",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2d2eac97ecd177c864774f53510e60dbf7fb431f3cf96af89791aeecd4be6c8f",
    "signature": "0xf14d1d9fb767222e23c9ef6a58e5cdd633fd99f4c01b80daf03213cb4efbb5d00be16d9d18e67f34929f1d1384a358be2a70f0f9350e7757862706f5b0a955bd1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}