{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166066089",
    "entityType": "User",
    "nonce": "0x2c83af19d6779ef567a7d5ecadafb6262428c1bca153e46d6b9c995a4ec69ade",
    "signature": "0x2eb09f9610eda7821bb30eb2bc28b4fe141e8af2c52ae82f6930ac1a3e29eb207738246a045ab66a26bd22ac29419942324f0e4fd24d537a08f805d0b14bdf9a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}