{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "544739081",
    "entityType": "User",
    "nonce": "0xb2e79e03d537e9c266b878f11cc9267c1219d131174ecf044eb16b133e493307",
    "signature": "0xfa8ff254b585da40abe55129a9ff918c1e11975e9fca5dcce190139ab0dbd8f22b1b857250fa9d747cad13a568983ed11a01971510d8417e88cd43d0488ec88e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}