{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917127173",
    "entityType": "User",
    "nonce": "0xd59dfbf5be75f267814f3cc5fdca87769b754fe81f0f5bb84e5f3aba744f6ba2",
    "signature": "0x810a922c537a2a4a284e44aa9135eb1785827e6d03e4f6691d2d6ee3adba7a2a0118cd9a29d5b54b1a1e9e445ffe6b1f54db57b8d40710fa4326b9c45abc01021c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}