{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x377c8f64cebf890470e30c637755edefa6f701eb1bd6ad56f023f70b603df487",
    "signature": "0xba19d960012939e052895e2607d48eab185f194028608940a5ade6335c18979041e1032436eaaf5b588b5e51fe94040b56ba9315d751baea29f96fc6bd21755a1b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}