{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0x7109cab8579eb12d7c3f0cd03b28d1051e2c6f1cd7fc5a3eee2bbe0dfaa17861",
    "signature": "0x0bd7fd5688c19af12eacd0b369616fd5cf186ebe777b079955965daa3209b72b035949da5c2b83906767dd222857a34d78518976de68d2f045641b46f167978e1c",
    "signer": "0xe6C5738A46fBbB36282916e29b14FCB004e1b5ca",
    "userId": "572842325"
  }
}