{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1299890519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5b1bf71ffde2712f21cfe4adfef7dcd52e4575bdc3246e4d9c9d3a8168b03f4b",
    "signature": "0xce1302c1af3fe5bae5814691a310d6cb003d639f5c0d551d1cb9f2b89781924a714e120328567699d61f29bc54670e84df12cfe89eca006ee8fa73a1e7dd05701c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}