{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27841",
    "entityType": "User",
    "nonce": "0x1b7252a507269cc03a67e813efde8ed99a8c892b9862c5fc5afe08b01e9f5448",
    "signature": "0x947b341278c0688fda769772742bf6c1ff0c05565cdd9f0d67ff0b2339f4d8a1014a41c8281ddb90450f72f130bb398fd486c8ead3a55d40425456de84e73d9f1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}