{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "875797218",
    "entityType": "User",
    "nonce": "0xfc9253cbe8f83daa301a9ec2e4c8b6e548300bf8ad72667242005633d219ddfa",
    "signature": "0xdd0b2fe05325ab4d7c4f5c6298453bf37c51fe5e2743a1d283dc7b56aaa68d441f155c7e69c509af0e73c7e41720163bc9b3d4947298ae79761f9f7d175616ac1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}