{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54243",
    "entityType": "User",
    "nonce": "0x2a18f6f5806a39703c9808955f105afd8c16b72aaf1d7a5983c273664b4db247",
    "signature": "0xfd181fcdb6c803c3a44cb8ecf3d5b18ccc028e7e382e5ce19dd51a9cd88e40862e2fdd4843000af7a8578a9ccc8eab4c1abd26b8c717aa88bd67a90379488ea61b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}