{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366437",
    "entityType": "User",
    "nonce": "0x6040234339f3718343acd19557e89e693354a566ebbd9e295d6b72f05168daaa",
    "signature": "0x7b53ed7ebbfbe56b15fef780a6d63c3d7f60fb34a5b7a59b43dadfceb5ae194a6c6ecffd30a6b9f64d4d3b7f7370a87ed5b6ee96685e369018cc8bcafe613d601b",
    "signer": "0x385724dD7df996433e732c73201a749C6B37f65A",
    "userId": "260480467"
  }
}