{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359551",
    "entityType": "User",
    "nonce": "0xe47f62a0c7bb13d99064e2be817f68315a1a2750f41461680450131462f862a8",
    "signature": "0xd29cc9089aa472dafa6c0690ac5943559343b39bc33b64e84c32277d07e75930256827e002e44f31a35ec27c4132b352adf8158d972d8b5ec02e6a0a23e872791b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}