{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1604588169",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa35e8dbb449028b86bccca57437541166428f5df42be6af1b373e2815859b69b",
    "signature": "0x147cec940a07db5de74f868ae9aa86c2acb514e1d5a0d59fe624f0b83de0a1f9454f935ea241ea3610f56096b5e7f2b80b2dcc6abaa3b3402e555d8ba0b3bd251c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}