{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xcdd0accdcfdb824195bb558d3f74dd35a3f75510671d8a954697964acf6282f9",
    "signature": "0x4a78bde73a5fe697598a3ca45d13bcc64a73fde48bab443946bdb2867c26724800bf552710928afbba464e7d5160711e294606802438dd078c841ddaa82b297f1b",
    "signer": "0x913521Bf406DC23cc81dd8919455344AB13eD81E",
    "userId": "892127665"
  }
}