{
  "manageEntity": {
    "action": "Repost",
    "entityId": "323913",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc4074466488fdf59d0c5bb48622fa544ae4b20dcc83b90a55a6e86dc89b0d090",
    "signature": "0x66b8007c6b44329f5db01cec1b318d1eea4bdcd8af9946c71bdf5510ee25d61a4721295018574d278bb5ad8ea53f74d1e5118a28a7d3626ff34fe5c5553263481b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}