{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x4f1cb88ebb8d0655eca086a86411302008f21e412ca6a93b3a2973edbd16f80a",
    "signature": "0x8364bd052f494150b145ac6a892ba681365f9051838b9e47645a00b4716b44325f8bd765ae3801dea7b2f82d11d946fd335d7905d0fbd9fcc61634e01865b8491b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}