{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "594615071",
    "entityType": "User",
    "nonce": "0x0b2fd06769a0d66258f608d3583cedab522ed9dab080859752a242d67b19c193",
    "signature": "0x41479d794ef2014660234286122764f31a94db04ebd2b6ee117e2fabc59b5d252fe1bb22d6d279cf8354a47b58b4d6fd85bd2ecf18e0aa5085ffd86ec88048a91c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}