{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1223751536",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4809c39691a28f548cb16ee9f73fb1bc1c3607b9534462695b4e50261c82a618",
    "signature": "0x75e386bafc7eb58119c66227aa0424cd80838b28fd7eebc9c937a980c0dfdf66164b6f69726b8b5de74b8ec6231f5f4da8e6589fcf3d71329237fa926b201f1f1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}