{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584186978",
    "entityType": "User",
    "nonce": "0x3d464cd52e03d1358fb38be55bf33adcc747b8d3f89d72a046a9c7eecb53eb5b",
    "signature": "0xd125accdb8ea57d23680bdd578d130e8cbdd8a457aa6c52bf8f2438e1c139e2f00671e8d76c5ed7be5c7c9f524a49abea7c39bc1328588fa03534c5a9b6f41781c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}