{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125053",
    "entityType": "User",
    "nonce": "0x437960d08aafbbc75a9805b8cd1dbdda405d0d11be2c979fd8318787cdb5950a",
    "signature": "0x325cb7afb67296f692d59d3ad3757282a2f45321e3e0428df7efcf8f7a634b0f7bd5895c782eab8f5e8169a36f0e5cf2a197cbeb459fe63f7f3c7e40fed757f81c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}