{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1290396762",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf16ffcda7bae6241765c259d37e9e90682987c37afa6c5283e85d307cdfd1e4c",
    "signature": "0x4b2801bf761589f808877d70c56e8d4a532f0c12ccd0ae77cb3f50af1d36605054622ca05e8fffd8e06fc08573905bbe34d5536ca60511941a9141668d13cdbd1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}