{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73071",
    "entityType": "User",
    "nonce": "0xced639e2d33a9323cf7b7f1307a135d91d52ae4e4f61d219855bcf2946626055",
    "signature": "0x1416695f20cf0d033eae733a032a1a123f38d1466d211da990d59ccfdf09798b63b8ec68438afe03700315918d391f29a3ea696d466c0c8e1859677e05b007731b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}