{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544319",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2021b32d53401a83f26dd7776462af7df0a318de54f730402e0e501f7c780084",
    "signature": "0x00ce67d7b3eab1d2952d57d2359da0f506397c6ef2dcf6c3662d46307ea51e0c30f6574fb186d1b4f478bc570f7a9dade8936bfe8a2d47a2823b19b1011c41f81c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}