{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603933",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9ca4bc7c70a8769abba32623981218f144cec6472559e2e4e218688c0b977021",
    "signature": "0xcc14f5fc3ea84a80eabf4aa7137f0f66b02f34fe49fc1c855179e57b6fac4a141470abc9bb5cfead67e6e12749d47e02d90501f241a2fb27173db7885d1411351c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}