{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x62a1c57ac4378b35eceb9d85643ac3eb2428cb8e69f8e21eeb5984256f0ad50f",
    "signature": "0xd5b0da31aee949594368cf3320020fe31e4d52a9f63b0c14fb0ba1df3371c8126b6128644843480675ad80d1ec83fda93de13f8e27d847e070d1d9f6aec23d411b",
    "signer": "0x8d2a32737cceB6eec8e74b5A45b42eF2da1366a3",
    "userId": "750127834"
  }
}