{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x852d11f4fa1619c896f0cfeb1564dea7e8dad16b958fa41249ccbfc233324e3e",
    "signature": "0x791bec22d1689b660872e2fd3164e5987f1f6b62a224e1895ec6608164951f015e82c13a7185d843475755d7ae4b0de1136817fe223b865251b5e4b0dd879b091b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}