{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xdaefbd89bf9e9a4c6735603a64c1a7c5034fc3788560511992be99ed1309b87c",
    "signature": "0x2570b672b6209f3aeea83f7403de1fb84bf1cddc4e53a434ec20f620ce25b2bb0bd88c5bdf75d402c4236fedd596c5589fcc3bb2f0bbcef1e5385a44b732b6bb1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}