{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738558",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x467a53f57ba1d94dc217d02db41229e2dfa512a7d5cea7467edbfedfa2ca1bfd",
    "signature": "0x7fb1008a2e786fce21b8b5def7d65d3a93d91351ec3e5905363dddeea0b9bf75153583f0dcd8dc583f046fc4c86d8ed2608aa38fb2991551fd01c3a58a3c3ebb1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}