{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906542957",
    "entityType": "User",
    "nonce": "0x8d4e4495fe064821866d07234b399256c60c10f73c9c1a52d98292f78390bfc7",
    "signature": "0x3b41ba0e13d4006211820d8c6de26053cf344a3f5ab3c66eded16dbb4d683cb81214aada0fc0a76ef48dbea4f23b78467fd9383afbca5feb8a7c9aeaed76379b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}