{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe61a05c8338a7a1792e76b4b3173a14618d21811f47881d3fdbbb27ad7ba8a00",
    "signature": "0xfcce1a7d2146371b0d224bfa0eb085d3ff4cc471e392e1e42353da2d36cea2d76f56698a8f723b678be082d1ceea293862fd90d57ca5415ac54e14d4ad86a9471c",
    "signer": "0xff71094FEa68Fe1bF25b9eA977054ec6433EECD3",
    "userId": "419309611"
  }
}