{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x5b2d3107db76ed95e28a5d1430770e3107014756622f307349afbbc4e5af3204",
    "signature": "0x34ec01fcd5aad65811513c2fe4c7fe00a9d27ba577cefa2172ee1ddc4b3fb792293b80505d9b016e28a9b029f013a70abec1919a8c2559b32f085ac5c4761f961c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}