{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81176",
    "entityType": "User",
    "nonce": "0x25be1807d77286124523a9ed206c429556743bacf1b94a5baadefe1d20c69f9e",
    "signature": "0xd81763cb41ea5a8e20207d8e5c16e42eb72fcde49b0922cc37bc0f4415f12c843e42988088e82a620f23136bb6f475020e34c87d35e867dcb98fa88997278a7f1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}