{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148196",
    "entityType": "User",
    "nonce": "0xd02d5be0f2702e143af3c7a6bdff03c9a1e1e6c354cd44de99b42969f73e298a",
    "signature": "0x5f2f051124e35dcdf376a1af40441126066cc2fb48325bb01268d16208f7bc3679d5a121d9fa21fc9f222a5e11274c569b59a27758d1bdc38b9fd8ecf366303f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}