{
  "manageEntity": {
    "action": "Repost",
    "entityId": "891165667",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x405cfada18d7ccdede356ac02fc27623de90d39677440e264446dc08a9e932c4",
    "signature": "0x7d99686a37ee67425dbf51a10d3abef589fe84a55ad6f434fd53fbb88bfa14af3a473de1cc33014b9dffc605bc18f0264c56b40dc29ce5e39968d4d9e3cb64d01b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}