{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67517",
    "entityType": "User",
    "nonce": "0xb5e86e91cbc77eb66e4a364385dac9cc1ba6a6a1d0cf6d947c25a48986ee46a4",
    "signature": "0x3d1945e17967cf861a91d0c8e615ad268d56e6476fa55789032914f6a83ce77f4adc49ad4086c6352a7fed4cf669d0c6435530e0db5fad9ffcd1422ce063336b1b",
    "signer": "0xf0aE5dc768355f3F6FD6d36eC911c860C8904Fa5",
    "userId": "405896524"
  }
}