{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0x087dc364384d3cfc13ce7c7ce22f31ae0a9a373308000e5724e0d63ac7a37451",
    "signature": "0xf410aa66891a97f8d90942e4e48ce4b805b631e7d87123ec9c0f74546a20f4934c59f6ad76507c4675b0878aa347d15e0acab48b6564d27930170a46feee63c41b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}