{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0xbc275137e36f73a4102d5ffb57a8b52aa9a06a56d2e1612497d7106b9eb5086d",
    "signature": "0x3aa775a325771af07cdc32bd643e489c307275cb2252eaa00e75ebeaea30ae675f643f8734043c9c4df29603d081e6a4bb20c06979ec37732e27125c6f13e3801b",
    "signer": "0xf76Be3e57D30ebb176cA7D31f49157c7f56E6b0D",
    "userId": "204302128"
  }
}