{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519606",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd668cf93158ee72e96fae0dbeda5c98bcda20eace9f4db8dc1a003c1ce5f5013",
    "signature": "0xfe4738cbbf785a90b351421f3b3192c0ea4fa941ef12b0ea5295afa2668334721519277b1763d7fdf6de3b4c19bf8a1bb83a58d1440465a6d8a0d84bf4740b131b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}