{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407107217",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4787805a16dc9d45db96c3cf50632ccec161da14c503926111ccfccd1f0f9915",
    "signature": "0xcef9c45929c5654e6064f48f8c13a5c15a6f6d93b059cb18cc8fcf8965b4010e659797e462782e7bf510d23954aac0a50fb6078eeea3d14d16d770519b1e07d71b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}