{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0x0aedb9a069064083cbd60a396ed6a14452e38ae11935f24015e39ef95b4f8803",
    "signature": "0x41aedc29e4a0ff35e3d115af12776742de5301feb3008794e42a20a4eaf92565081816e454fb56b3e03285d29fd3f86756de955dba8237be53b65a8f232aa78d1c",
    "signer": "0x604b4F353E759e6Ceb980b2Fa04e96FE85AC7d1D",
    "userId": "235338"
  }
}