{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "242",
    "entityType": "User",
    "nonce": "0x08c7257a709326d6d05df86c654b341289cf3ab111a1c054b7b6ad6fdbdab366",
    "signature": "0x42a0fb2f3e78822400d0cb92b1b54546f48d87efc8dd9a370b50ae294253a78d3a6997843c1a701d5321f0f86b4e04a5479f7a950b065bd349351da3655f6c471c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}