{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xd1b5eb7f9007f63746d8e3bddf48ab8b440eca1800b265448ac8da5e34da732a",
    "signature": "0x5221a9995b41b05a98def4150c4afb394cc5d6406bfa8f861bfe527847ec5b4d7b02c58a5da9f87349dffe3160f6268c0f1dc23210f6fe1c0db3c00f835490891c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}