{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66005",
    "entityType": "User",
    "nonce": "0x03e12083dee2a991074131c52476d224ddde299d7be78b5fb9039c74b4c03ca1",
    "signature": "0x6da63aa1cc118ae45d252deee5ffacb6572b35d6c8e36da0cc98ee4c6375036e42aba60bf79e072aaf71f4de009d730bd4e63c0b05b105be7bdd11b157f62f191b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}