{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13762",
    "entityType": "User",
    "nonce": "0x20a38e08681f18e5bbec3918e67165e0ca43fc260d257794a2f6e03aaba179a1",
    "signature": "0x04522ff4cb0b692f9af8d799b64ed3150c03b95d291e7a56a6a2c8daf16b338e43abc674aa0733a447f1b735100dec74f423ce247148fc38e139a805e210d73b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}