{
  "manageEntity": {
    "action": "Repost",
    "entityId": "870004803",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x507e42f2074b0f18f9817524f20ebf006fa475664f9ead55d1689ff95dffbbd7",
    "signature": "0x6e4580b6749fa5bafb78b3eb71e5b16f31868e12c752b11186e6bc5092c5afc04aad5f6b1f3dc6734c03f83bea73fbc737bf6bda98d76931dc890e0d0348c90c1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}