{
  "manageEntity": {
    "action": "Repost",
    "entityId": "490813917",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa60e3a25e71a2be4c9a49abf4dc39dccd25112ae98cd186c3103f7cd08cbadd1",
    "signature": "0xe26bb309a840f74aa3a985761720fab16f176a032a2028c988fee3285e1096166eebace39e1f9241b3aa9d172c6199e42bd96e92207ae8fae01c7dcb64a0da761b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}