{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "416239376",
    "entityType": "User",
    "nonce": "0x5861c98dc8394ae73b269c22c234fa5e0d5a659a7952c1c1ac8fec399bac158e",
    "signature": "0x31588f6d230809fde7bbc0bd7c5d9e7f7af37e18d89b711bfd35d99e5bc29fc37454123d3be4a175cc6fe92deafdc69ae31065423afc248837432d68af9d90c61c",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}