{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0a32c935fe7a75a69305fd9e80677201b8c0706e606c8755eced299b5f0a471a",
    "signature": "0xfea265fb03050982e4949be189a349571e19c35ba08aa81be6545bd53faa80270a724398ccb6f6cfaf62bfb8833ab69c366da5da9e10a411b5a338e4136f0f451c",
    "signer": "0x27A2f02cB0876AB8c3F17D0b43DADbbb9ccBF747",
    "userId": "591258369"
  }
}