{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191315561",
    "entityType": "User",
    "nonce": "0x4039d1eadfc9ccc555cf4132285f15b53c31c51e6c33714eefbcb76a9b276237",
    "signature": "0x825750606092c5905364aac081cc1ed6598f21032b93703041333d7d53a4d5ea477d41242af8641436aeb4e0d6f7fa4872b7d66703fd7b4851409fa49d1212bc1b",
    "signer": "0x03e9Caf2aeac5a0F0e4Be56410d67A4148D38Fd4",
    "userId": "47828528"
  }
}