{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120346",
    "entityType": "User",
    "nonce": "0x3a8534d7f4fdbad9d1753ab44c1ef58808fe10144dcf300d15c3c148a2007c28",
    "signature": "0xecb9058c2a3c62c64cb032ea025f4e7f36bc67fb4ce55f29c75ff664cc0e8b0331c69fe64934f933a11da693f619cacef3f4a5fd07bdc51268929382b881d9a61b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}