{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599759448",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb65141674fc621c092d2a129086056983932a96f7392c5f38d3222898681b161",
    "signature": "0x454b09e10df7917d498b3260c42cc9e7c7d190855d0ad0439ebdbc94ae5dfa124712f635e1996c96d10bb915b3952dcb1a2603a0a6ca634bff075ebf16531c801c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}