{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270617",
    "entityType": "User",
    "nonce": "0x551f20752606f253da6d5aeb4150bac46f7ca86366d1a2a663ffbfdeae979e9b",
    "signature": "0x2439222147cb4d41d641f33d2904af7e9c5489b86bce4dff05ae12e3d9e563316b952869c55fa1053cc17f8fde9257dbf5b93053c2043a48305ad16f7393ed4b1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}