{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "273387437",
    "entityType": "User",
    "nonce": "0x7075ef144ad65c96db6cb2f014d9bcdc3ec02998e479a1730339806ccb0e5ecd",
    "signature": "0xeca9543b51bd3fe38df8bc8ed6419111f91def09923b3288ec1d9b5f707028bb2117c7d88a07961b431ebbd586ebea376c6dc96fa2587e66cb26a18674fcde151c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}