{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd213de3961255bb9ad416788294466b804329d9e182b92c14fbe9df0bb266027",
    "signature": "0x3accb92d252c46c91282386f9c605476937ff42151986d00859e89342899ed6358e3ec7e912977003aeeb10be16a3ac7d009826b52425cac67ac276097d66c4b1c",
    "signer": "0xBEa1dfDBA81a63AaE979F322c34709514594D0D0",
    "userId": "705121733"
  }
}