{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115298",
    "entityType": "User",
    "nonce": "0x9c89b8fc46bb075e15dd5a3c899856a1ffadbf6e09baa28f4c45a6ebd36164ce",
    "signature": "0x7fc96404a0185dd32c74ef87adfb1e0762f80cad304e875d7513bcf1cd343cdd66d570ebd32979bbc2ef4551e560af3b9596afca1f0ccd1d1fa981eaa112ada21b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}