{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1215a9458197621ec087a0847baea5162e999426a22ec5aec1ad03a00f9f57b2",
    "signature": "0x1286d0e36fbe2d0e1074dd68c525c8cac11d5603f4aad14a6210eaf1792c7a043d7e919e2f25a57f9fd42dbdaea6cf4e9cac5c92f93ef3029e13aad5d2dd18511b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}