{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0xcfbf5b8e643114d31558c964a1edde98eb6ca8cb91070ba11c4c502a8826e0ec",
    "signature": "0xa6196e899e27110fbdc9c4372be9b8f476c8908cced07e6b89d08fb102803f3c3480e1f39fc151e7ae163df0e7ba2c911ce0ec0681396a5b853f54128db13c841b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}