{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45492762",
    "entityType": "User",
    "nonce": "0xe2be79da2ee7ab41507aa40633750c0f5385540ddbb9e7647a1a2a2d74398882",
    "signature": "0x5c747d84b8ae5bf0b4dd301c9044922b01be0512ee60dbe789ee936efd1a72b323645d4a02ec44c6b4dded727fcfe55cdae5a6293702576bfc110d963b28d34f1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}