{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67615010",
    "entityType": "User",
    "nonce": "0x2ccb29983ab8c454b5d6de3b714e9fc496274ae9ac83f8fd020aa9810e0eb188",
    "signature": "0xb41460e2246c5d097eccdb29718066de8dd451965e6dd243bbf5dfa00ab69aea5c7364f88c4046c8cd1b56de56ff1d82b1cb5ce595df6e36739f2a7bf8dd57fe1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}