{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "790143",
    "entityType": "User",
    "nonce": "0xafd430229e9c31d0a85da84c0213cc9ef05a73e9566ebabb324bf2968dd5958e",
    "signature": "0x46f35089c16218982853ebf8767a57fc294c5da8b234368e05273ae0ad265d1511cf9a75938c808613c65c52a70052ad00c237c6b13147f888dd8481d5528bdd1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}