{
  "manageEntity": {
    "action": "Repost",
    "entityId": "12604",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5cbdacb1bf90b984c595f55db2dfd73e9e7643c33b4463734a75d6faaf2c90c5",
    "signature": "0xec4ff47307df069acfaef758798a853152b0b640fa60d00bf47b687cfb36d9ef7ecb20d1262aed36faf33404b2eb1400986b5c39c525a4973ea9d02a5f0bfe7a1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}