{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "715573876",
    "entityType": "User",
    "nonce": "0x7ffc030f46d0469e541ab3e7cfc2e97c47117a0a97e1e38c8fe78476b50fad05",
    "signature": "0x8f7c783afeb75382c01a7c860e21052d4f99c868d49d35a6ca35afd47b27fd7b7eec33c173c145a59210449b79322b851da258969ac5b0fc83003e82416b7d9d1c",
    "signer": "0x36A169Cf16fC2680fF64A3949d1F7F020A102627",
    "userId": "39865"
  }
}