{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235353",
    "entityType": "User",
    "nonce": "0x7289d956c885e19a92e70d19f364760bb3adb3eca35e6af3e5316beec63c032e",
    "signature": "0xf9b31e1abe05ebfaf8b7d616833ffab4f6456442843dfb946417a62bfa15d15f246769d1041ac0bb33fc107575f58eb47d62b42e858e4e1b790e125c9659a5ac1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}