{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x58ebb3a43faae2705998740bd8098b593d4b88630e055cc8a248bd9a08b89cd6",
    "signature": "0xf7ac80a28b47024fe046dd2dc26d191258bd6c38a4b42a1caaf8d5adfa60ab841f7463e15ab42052245a4c5c49f17b9e048b60f52470ba81a19d150ed91e022c1c",
    "signer": "0xC789b473E10EF4b57f078893a38DD5E462d94368",
    "userId": "564344"
  }
}