{
  "manageEntity": {
    "action": "Repost",
    "entityId": "506753",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe60309a2f138ac2401b3aedbbebd18c4e155844f034fb5031b53bed7af5d4d30",
    "signature": "0x5872f3ebdf2f9b4abc56c52b942bca4e043b56c9f86a1b3e1e2c0d9500cbba0578a28a1c5236762f60db8269bf553ffa2a2a810da70455ccfdc9631612bc7d1a1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}