{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346981",
    "entityType": "User",
    "nonce": "0xbe41bfd418ce4fbd54c85600df437ed7c9a055837c7df08ae30049ba8dfe4373",
    "signature": "0x2e230bc86083bd2c9aa5e9eecbe097bab55a98ca75a59360919d80faaa2ab02b44683546ada2b788b82f36864fc373f793130c0aea2377066d83d9437d329c091b",
    "signer": "0xe74EA561439c78F34f4928Eb44ee8Bc5d67c3d45",
    "userId": "781858883"
  }
}