{
  "manageEntity": {
    "action": "Repost",
    "entityId": "507474",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc2f8b78edc05be6ee70cc49f32e3fead2c6ad346dfde4abc99551a4469284bce",
    "signature": "0xbc5514a461857954f46ab61c7ed0a6334232dc0111ea3f9075d573ce250cb81c79f158cd00cf97e494e0732c44c3e63b3ecfb484955175b83a98c867077fa1701b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}