{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0xb515b9e22bcc1098a998eac0640ddefa90c310c36b551adcd98ff993c08d9ef4",
    "signature": "0x44a37fff0e4f5c2c98464f6c9dd52fcc2d2b62bf72ecc111d6439ee00789f0872f7d35582dcf38bbea801567719d9700b75e9c353299c1647b48ab9c7d7cb1891b",
    "signer": "0xcDd4bA67dFa5A12799fdF828BAe6484f14Fb02Fc",
    "userId": "502753271"
  }
}