{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182428",
    "entityType": "User",
    "nonce": "0xef53bc12087352c44df82f45220f850527666cdfd5017ef78fa1d78d043e0934",
    "signature": "0xa373c467b72fccc77a080847d4532e7dc31febb249e2fe978969eb849e63b0221fff254dfc029c74416240fbf1b2e1c8ad5c7755e6116bf56d07e1a401e18deb1c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}