{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70275",
    "entityType": "User",
    "nonce": "0x61c70b30852aee8e20b86807032ecd5b5bb2b72d5942a1544ebbc9b21383cbdc",
    "signature": "0x6ed6336634d2e86463c7423ae8941a27cae00c0a8e8159bf9d393d1cbb14284d7260cc2ece74a44a619f1f29a461c43610755df2c4dcf165789adfb9c7be93af1c",
    "signer": "0x8ce8B4fd5ED050E67C0aac70eAB0a188FD71eeC2",
    "userId": "757523374"
  }
}