{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc2539d46f35f9336fa106a2c7b1f2b34262794da741d6274a6086b3e385c04a4",
    "signature": "0x88010126e4a08d846be1a9718d352595a263220f57b37bd216d5853c3bfb48be78171ad9cbb9a34479198fb0d9df192cbe2375b37d2c6e22510f41b1e895f93d1b",
    "signer": "0xCE1807CbF44d0BF3961D9A4B757dA508604b77E6",
    "userId": "157032641"
  }
}