{
  "manageEntity": {
    "action": "Repost",
    "entityId": "620470405",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4dc53a41bdc575fffa82076091ed7fd164c2abd8d21946aa408be224bd6c8a8c",
    "signature": "0xead6f7c3b63072e4866a33ec30b3d92250dee29c9ecbde750eec77cea4620ce43db3323f8e0a5b53a15f387d4136c2f361bae765e3e5f85a88e09f6df8204ef51b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}