{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643215143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c5a2360d6e0c6fc4849a16648aed2276aa50bec00458b58a73eb870739b3a0b",
    "signature": "0x9af2d54cf34b6c0a0f2e5240ad995e1bac7baea7805bfd85585bf2395228e00240e006e0acd720bb9319c76e099b31b23aa34c3e8b7e30e697364befc0b1eff11b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}