{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418041035",
    "entityType": "User",
    "nonce": "0x41139d5d6ffdbd9f79cd1dc6eb0cd54b6ee277106cf6a1ec263d4e7b8dbeddc9",
    "signature": "0x67b02f4a9b9251ea0640b0b9903ca0f41c50293342136f7e3392a151ebd3f7294b4b3082d9ce819c2a8bde4149d506c190f63f951ee9ceddeba458754f787e891b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}