{
  "manageEntity": {
    "action": "Repost",
    "entityId": "508272",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x954a3d215b8cf4c18d4352f70132cdd5189d2660646c15f570590cc9a679a8a1",
    "signature": "0x99e02e96fabe2a08f155caa607223be4beb282c87d61202194e55bd13e9b2f5a063e872c94c6b6d594befdc372ffdefeeb7db963d77deb9de2030f08f020f82b1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}