{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645920",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdd8b03c991c35504f144e247522dcfd131a388f17cb2e7f84b91bcc409b872e1",
    "signature": "0x1b02273027d490433d4d4ec5842336937b943c1315953129bca382366ff6b8965f3f9e3ab88cc16249e877219718c8e47c23cda25a62c9db8257939543d594d81b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}