{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xccb52c22f1d61f0409928b2e575fff0176da203dd40a8c43d81e49bdf99d9c1a",
    "signature": "0x9c41115be271d78d50dbc62346073e506913264a54ab6587fb8047009936c3241fc6a120721c106cd16fc6f29059497df9ba0ae9f25a484c56c3bf144576ecf71c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}