{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176201",
    "entityType": "User",
    "nonce": "0x77446ab1c7119fd9e7338d519ffd463befd9ae6e5438463386a4918d298036a8",
    "signature": "0x1bec5fa283428d5e92dd8171eb7c3b4c1113ae6a9e692650a8bb3467aa2fccac0c283108fc3004d58d3859c42f36ee692a71fbb05abb164907284ea9722459d01b",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}