{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb3a06b3eec67f319022614f3940323e3b8d261f4c0713344f7702e9f23adabc8",
    "signature": "0x5c750d7a2aeef1f30031962d741a4dc80fa8c6d74f88e9293d5929e50ae341fc1e00088d27942784a741184683aae9209fcbddc3a17bb8a0cf5e500514c95b4c1c",
    "signer": "0x262A4EeAc7fAD5a7F8E121A7f63cD0B7380A7D64",
    "userId": "288707748"
  }
}