{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648904",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb695ea354e2074a5717f83cb540d210a365935d3f8843daef63c407124956825",
    "signature": "0x9a0d3151d66332314304ce44e9f08f65a0fe81bbd9da5e42792a27e772f776186ff40b8825beb12af230518bd00826c4e06508a6986c0cf987c1e7d29f30e3931b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}