{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191315561",
    "entityType": "User",
    "nonce": "0x4af21d08835dca743ac1ba458b26037657a05cb552049783a206bbce2266f567",
    "signature": "0xdd3a2e0f8dae8ece3182335edfc39c880e9c2cb28e4ea90d2cf702f113f197af162fb00fb884a6f426b74b3b0d1ffec7e87cbbff469cf5791f5359843ba9836e1c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}