{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943839579",
    "entityType": "User",
    "nonce": "0x2e588afb8bfbbb36f503b810d7f5cf572287907d105f48a6bb8c041cada77ddf",
    "signature": "0xd095c028c76b1c5cdb2c20bc9ff35b57703aa82ca0d65bd64f5749f7cb92a748318dd54e780e3493ff82d31fe3596168b551ce422781899755e3beacb1d5f5251c",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}