{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141285",
    "entityType": "User",
    "nonce": "0x3cc0bda93cff942e05d27c8a11c839683651874c91a3cbb735b8b4be7f5a3b12",
    "signature": "0xb03eb7339c5f92a739b4820d93f816e469ffa0beafd6819065e754d02dcd531353e9e03565e0d572650306a3106da448031ed7e2fbcd97e4a3515dfe3d37d5dc1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}