{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128415",
    "entityType": "User",
    "nonce": "0x550537f4f4628d39849a840b531290685289cbaea561d113bd7e33a568411c94",
    "signature": "0x6a67ff74cc6e2d370f44b7d5805ffa9819370f6bfe4e471ea314f8fced47af9f3bf4fe6944adef41204a3e10f80459b641c260b1d22d29f7958f9f2d1a45a0471c",
    "signer": "0x798188d458BeD948ed24b9c7F913E3832f081e79",
    "userId": "50442981"
  }
}