{
  "manageEntity": {
    "action": "Repost",
    "entityId": "506895",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5663cd31ee8949883c4f87bb15e06ef3cf6270c1e162bbdfdf7553cd7c80234d",
    "signature": "0x4f07f4156b7cab480ae0b685f539a5d42993ca9ce92ad969e2ac43459c805dc918f30bf6d3da051ed6a3225e3d0cb61be28dcb36addd2bc81f20357cd51c43e31c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}