{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664873307",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x354a56eb08a6bbbcfccc756a27550446bc7c778d379ec02b385948a3474b729f",
    "signature": "0x5c80e5a0a38ae18aefad28c4da6e33479bd0cd5448d4c39ab80337b2e0f90c8a41c4963b3dd35546b6b4a2f8c2e8e8f9d65e4f29fc58430817ea52a768149f011b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}