{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5a6cdda8f8320c3b73d434526bdc9bc7be5ae0819a4824ee0e05d90d5d483ea0",
    "signature": "0xa08acc93404094f26ca4b358525d8878d56dcb68889d560ea5ed3b022548e21570447e3f94d1be402af99369bdde7a44d0abbe6c6f40878d11f30e46e6330a241b",
    "signer": "0x3CDE47c2B951E827ee57ed78A89fBCC588877e9d",
    "userId": "534515916"
  }
}