{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x3312ce506a250047499e0d93a412e95af4c338cec7e06927a0a68a1f3eba12dc",
    "signature": "0x182baee274a0c6401d9e00f1ff70359250b8850d6e99a20dbaf1cc58b14df7565c7ca302635f6cf80c6049ece850a4505a44e5b670eff6ef97794b1a8818c95d1b",
    "signer": "0xE09A95aA63d8B1AE975406d646074B73ffBD4ACC",
    "userId": "27841"
  }
}