{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x2618ebe029c743311e10f443746e3f344abc8e218b6ec95ee768e642c59b51cf",
    "signature": "0xcf7020cf7f29b7a586c815f854e861e28e3d85cde21a6fb82bc851fc986f6e085a60db137545dda77c49631911561c4cd8f432a6f23a34db2696cdc0e30934581b",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}