{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184931764",
    "entityType": "User",
    "nonce": "0x60c4e20eb2bbcb8df1d562f8f54e58949e3b142f0472295f39be0695dd29b5e7",
    "signature": "0x4902fd5a696f2c8641f5c0ff52141a5cc99ab9d97c53a93bd6aae4bb14b1e2961fdd44a71384786aa5161358e4337c8b300f8c1b784d1ce22b68aa8df09a343c1b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}