{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88790",
    "entityType": "User",
    "nonce": "0xd4291d02c37e8e68d6ebf8fc367bf91f3ee5697a6b0a6816065299ae45c42114",
    "signature": "0x4894ff9c32f696eac52f4564f3631372118161e6c9af6978ce44c8f703c14d9b1e5efbe76153b8c3871bdd74e31375d850380d869681226f2f097860f9fcc0341b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}