{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640381",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7034ec62a7ce69b99dc64d63c1b0676d7bf46210007b8c443361d3c43cf856d3",
    "signature": "0xe8dbd71c26fefd5e57e8f5956878f86a7a045f22c9d00e4c9f088eba8cb6d69b6b92864ab8d2e93088cd5ebfbad05ac830abe427c7e906402fb56eb681a099ef1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}