{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45962",
    "entityType": "User",
    "nonce": "0x9b9351c2508cc62f5aa3c8b9af0bad646c065b396f03cd3235b4d5297cf9f4d4",
    "signature": "0xdb9fa2206d4762578485dad2ed9ab85285514d657ed7cf7567e977607367846f73e89ab5bec14563c4d96bde51c47cd3f863717db2dca8b5d6fa71a5de44be471c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}