{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0xc11a8a7a62d42f515b84a255c90e132acfe9cb0418518ce37f0700b71232d9d6",
    "signature": "0x084df95df0604402bc8e923515c90f2af478cb3fc4fa5bba3e0591d2e1bd8175221b5bcb9672fbcb5fcb32c61685aa5c379024bbfd6e83a50e73ac92035a21911c",
    "signer": "0xd367754F1CE503c2D28B6793582BC23fD71eE997",
    "userId": "420647095"
  }
}