{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334948",
    "entityType": "User",
    "nonce": "0x4d0938df433b495481dcd0f084bed40bc3432844597fce61ff6761b5734496d0",
    "signature": "0x88a0952e8aa2b9a588b98a2d3bdd09c4836d8132f2646c141f0a347f3293da2f7e3f71ee0e2ed8d5bc774438a3feb095c977f47161b83b2938dcec4aa38290411b",
    "signer": "0x68ee0736D725277C93d4197500Eddd8e9f06dAE1",
    "userId": "216091592"
  }
}