{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0xb35f7269c4bbe15b8f160645a8e7ddf689f76b30dcd3fb25a0a51e0a6915d300",
    "signature": "0xb8be88a33468e2ef0a30922f63bb08396bdd0814737e0f5a91c8cfe774b3c28710abba31cfcf24d9d37792be4c77a91964afa74a2e29d20194d1a60a3fe564171c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}