{
  "manageEntity": {
    "action": "Repost",
    "entityId": "537711905",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2a31aa49e8ae7ebafd36de85465f603410116be8587910f489be9849971dff0b",
    "signature": "0xb936ee97dac4d97d4ec2ce4458084614319bc721c250d1e326b72fe84d0a1c410cad8654f8dcda09f51d4a5e21ee3e64bcec17569fb54494a675712aac6836711c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}