{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20671471",
    "entityType": "User",
    "nonce": "0x36de040b8e8cfd3114203953850efc918c1f424ed19f501a13e4f224840b7510",
    "signature": "0x24d4f48127d77bff1089249aff2355ce454c7782b1eba95234d8dc8f82aab6424e423f9e36a8e27d335bf0ed5369e620fa23f5b0fb474d5df1fe92146ef460d91b",
    "signer": "0x9de29362DF595E6949CaA2820c5c28c3D6b0CEe1",
    "userId": "857551474"
  }
}