{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621069951",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb033cc067e1065e7518332cd057a9bb377855ca2410e56b607de228b066eceac",
    "signature": "0xd18478f8407380fd5ceb4c02fe23ab250304d01fe79c6bcbe0bdc96703aa120e701781a9f23a344eae41f5cf0ef2588f56619a050f0b2be8c4071d4d4aa20de31c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}