{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0xd78bf0d5e01cc8aacd2d2203ba4eb63a0cfb1ad43abd742b6bd5bfae0d9b3d5b",
    "signature": "0x09ca1e1842c2251c7fea7a3c632a2af7fa4b81913ed3b4a2ab64dad118b00aa177dc13899d8861756e2df11db4b46d838db0f146814f2df1ea4892a47c1fe91f1b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}