{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "209148",
    "entityType": "User",
    "nonce": "0x995d2584ad80d86f469940188616e05e898dd915b3fe300e6d514dc298512698",
    "signature": "0xc95059f63dcbd69b19ebaa9048023d994bb7588d3b83c67a36b773d0c2c0a32c325982500131bfbe279a3cabbf3f731a748cb828ef5681efda7172b59797c22d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}