{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "422886157",
    "entityType": "User",
    "nonce": "0x2f09a62336d624632c1d01f46365863f60dd3c0d7e70aa8e723ab928db42e1a5",
    "signature": "0x959a9887681822e5680b349ba457be0dcf9048d223f5c9cafab08456b90359ee2538743e5520268eec99250af72855fb123f6b5651695d826404d219e8f6ad0b1b",
    "signer": "0x9698A898Ed554B831a7BB69972E1B05eCC560430",
    "userId": "967510490"
  }
}