{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x4961e13f345136a95595e9c4aa21634b6ce94204c7be3ae4effdaee3a8f0fe74",
    "signature": "0x8cff8a267e3f3616bcef289a5dcbe93ec739bd5154a50568e1d431dbf1cddc3d219e7ad93cca86a7b06404cd8a6eba4719dfc4465c859a30b579bfd9d1983a531b",
    "signer": "0x9e170ccdBeCf0871259759c43e12DE99fcf47Fed",
    "userId": "898176077"
  }
}