{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162648",
    "entityType": "User",
    "nonce": "0x4f8888ce9692b490f6c317f19a3952f9c9398a4529e0f44cf0b848bdc0c4d9a5",
    "signature": "0x3cebe7329bb5481682926c8aec9cc93ca1033fbb10aa82c3a93c5c47cac2356e05847a0ab5692f0a26903c3a0f8a56ca1089cf006f79772965c1b89646ab94991b",
    "signer": "0x2C19622b09dC33fdCC76351400b7242a4a7F1320",
    "userId": "27024129"
  }
}