{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x6b4dc19bed5e454426aa4be955e71b8ef4af9e2c4eb7a69dce64e535fb4f86aa",
    "signature": "0x136a02391b6907f2ecde7a4be76dc23926942211140f58342bc8595b8455cf3a727fd5ab8a0a5c54d166b5d52d8238727c45439a4c3395e8cc78ac7928a852201b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}