{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601282125",
    "entityType": "User",
    "nonce": "0xe2bb81d5a0c48fe7d152bb082b8f662cfff81dadc02aae2a67a6f4ecd2671269",
    "signature": "0xd536529701ffbbd389753bd7f24baa80ca14064ca36b23b2499d20ba6d279721190a715c996b0695e0f4df847a00a3de74f0a38735a961f0874496ba2643b9f81c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}