{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334358",
    "entityType": "User",
    "nonce": "0xe350fa1acf4e03b64a45a2a195535f5f7499f9eb429b1780cff2c63040b98bfb",
    "signature": "0xbbd4fe84ceefbfc5274b217398e7f078f11251de1e68c378d14b482a275be56843dede2895286572ff982c3ef36405253e2aa69ac92afe2004a4ad2ff46e49a41b",
    "signer": "0x365da29AC7e660316a7FAdfE169ba31A00CF66a3",
    "userId": "199592872"
  }
}