{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x9db5cdf65b4f6297e61927221b7a55692ec1ca1b27af78a3ba93b28a6a7012a8",
    "signature": "0x84fc756260e664dd72d3e55cee3304cb72f22a7d9a69c6f8754403e117fd286b0bb11dc66c4f495c473fe4fad70a09880544b4dcce335df0093da10ae437a53f1c",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}