{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110321",
    "entityType": "User",
    "nonce": "0x3112769b1489e135907accbea8beae7204b67532c21c93b0d5d69fe71935e487",
    "signature": "0x2ac4e41a3ab9a3c38cc169df998fca0ab61a723668dcac665fae10089ce958771cace9ebb92c241511e4176ba910573fb286ce1b75de2d3d794f066a77d2ebf01c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}