{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x877a68a2e8004facc9eaa8600de463e27cde7a28aed397692f88c2afdb2f5979",
    "signature": "0x31e32f8b32fa4861aea3a2625f684c2205f66787306d96eca7faba0dc94d9add501ff7ebfce22ab24e0e53cd058056803e1348a130b0b553f39aafb261637c571b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}