{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0x4f7ea295e222d5c7ef429c1e1bc0fbe5fcfeffb42b922954885b400c7f8393d7",
    "signature": "0x415597a00787d404e2aabdaf65225ad4916a81210e1d92b36b4c25697095ba797509aa0916c4d8d06badbff2d53d36e4d7e0fc3a835970134d61456ff67a568b1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}