{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328381",
    "entityType": "User",
    "nonce": "0xb58ffbfbe5e6c505c94b4e996063d3aa6617fe3aa4ce033e9cc9f3d41d40c8aa",
    "signature": "0x2285dbbea72c396c719f35ade9ae0e6447c17c3f36d14d54f87defea6e74acc15e2f078d3bdacb8e95347786965d8061b55ef8fd9eae40731166f4cc9f136c291c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}