{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "656308227",
    "entityType": "User",
    "nonce": "0x97b31ff856c5f2be27fd36bae18e538ecc5a0731e1bf0844d173169e9371301e",
    "signature": "0x959ff14ecc585635361467f4ce241f3e91492545bf90cb98f415f8ecd074072560ff3e58e02f95a94a5a9d6440fb6ee615bb51a554d4ff3e33a619ef78ccde571c",
    "signer": "0x03d805c52734D7677B0685A26FbA10f809482Ee2",
    "userId": "709609524"
  }
}