{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2279b9917aaf5d9e0d287727816e503f96dabba86f8396457c37a81ed01069fb",
    "signature": "0x72c238df302d17e9eb9fb4e189a8a115ffe31597e90c524d34bbbe4ca1705843528c0b4760d98f7beaf8887fef70af1f691647a1f2c323ffcaf204a9ec5f13171c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}