{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65468",
    "entityType": "User",
    "nonce": "0x794863af349eb699846e0309ac87197799474eb80298248fcd28dc78c7eadf59",
    "signature": "0x150ac6bf857aa125aca2932163d9a0636bc28e8d862db1b82ac65a81920cbfc07f77be18d09bca80ab004c77134a0cd6756973ba2b438050dc99210435326bcd1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}