{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x1552fb75acd9bdf77888cfb4cfc5f80d18d48a341ca66bfc71c056300fde04fc",
    "signature": "0xad236bc525c54bef2a7266b3fba66c1a12d05285921ac757aea03beedbdc8d2b40167dd6e13a949a72560d886a05870f3f36738fef629da8130119d58d47d4ae1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}