{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168701",
    "entityType": "User",
    "nonce": "0x8b7e1663e11a2943761a610e2161b687c54c1e738e3ea87f549ca919a3329f80",
    "signature": "0xcc24352765ccd08e99ade14a1518c7880e9187fbd1b43bf143527d4954a5de6752dee1c837fca57994cfee0608ffcfe0360a2ff12575831f8c2aaa938e665ed41c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}