{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666953703",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f309baeaba6a8b289051a947b9a3e89569cc628b46c709864ec2ca3f8de0045",
    "signature": "0x74a8c948bc4b937c054c4f13b60cdf89afcd243f6d2226b71a73dddd4bfa272f34810d2f276a6c975f924d4aa0bd73ce21d8fed7096f81c01b6f45d5b44c4e621b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}