{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396577",
    "entityType": "User",
    "nonce": "0x53950996bca6febf65c9e900de28e17793c07cb1ee6667bcbc3fba35fe7b489a",
    "signature": "0xb911b50a3cb0121d77ce4b3acc50d419c194b40576d71092803d087c3df5d09247c3e173725dd4dcbef9492f052d32b3358598a4311ab43d607f40e04c4630e51c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}