{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x7a019e8c124f1f01a19a466a72e94fa3ad153b2ad63a0cd27623790e2b3c79a2",
    "signature": "0xc4ebb64f0b8ad0896c158d9ec5c06d7d05973ddde30ab6fadf2eedac8058e45b1e4e319d21555278bf04bb5ff7a412e09c814d85629bc1453a9bc7596c3914621b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}