{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x42909b92170cca3658c1b3a8118b00476b31195862aedf2c99a71ab40db2d0bd",
    "signature": "0x7ae1ee31942bff9e8404de8dc240cb4a49695563273c440c297fdcd20fc5112d68717242c1355edba3687447b4af59ba56cc411b9b5c7ef326f1481158addd281b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}