{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230518",
    "entityType": "User",
    "nonce": "0xb56fa5dd56c68ff975f4a91fff0cb7591ed3437b719831951d7d12d971126c42",
    "signature": "0x2293508690734c6bf42dc5893d605647db9992eb42e710353387132009fab2d06c954261d8a8c456205a7ab7922c2573838145269014dd2726927e88378a90951b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}