{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123163",
    "entityType": "User",
    "nonce": "0x3af49ce204168a41f51f9f38cf9fe466033591c0386fe141b304ed44cfde08b6",
    "signature": "0x9a3f45ca4ba8cc87093ac15dcf7103dd2cae068b2aa2b9d9f759321c75c5c8f8066aabb6893b9919720b810fd1f30266761f438c81549f39ec18d7ee0fe208a91b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}