{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22755",
    "entityType": "User",
    "nonce": "0x67908cbe43c15e33e9ac16b5869cc3a94049f3572fc4942a647cb820dba66275",
    "signature": "0xe7c32ae092fd0485d6e003df6e96bcc5f4db8dff0a254bd9bd6dbabd0ddf566963593bd4c77f33f1363e721f65d0c73f67eb3f000786f6a3b289c984007076f21b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}