{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb6dd020e03a92f23379524e41adc4757d5621fd57e8a7c9558f6778319e6c9c6",
    "signature": "0x05d77346670fce506b681b5b20b1bba25fbcf1046a38b610d94482ffd32de7523c7176a1b852a1f00120fcc8a5c4edb19da89d96d41bbd768bf55d05cc2f2dca1b",
    "signer": "0xbe543eD19De634570910A0f948fcD6C6361f7966",
    "userId": "741964907"
  }
}