{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd8169589a9fc5c6e46a700d0ace13c09e8679e034e03ebd2ca1e710df6dddd1c",
    "signature": "0xeada4d2264f344dac90ed6ba8663268dcbfa10984a4cc6d327e2c6c839a16be23a57f3b7fe22104215545ceaa76d44534a2ce57806b2d471134b49893556bfa41c",
    "signer": "0x44e864500711132ceC12e93EC3867ddfcaD2F5dF",
    "userId": "651161254"
  }
}