{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2530",
    "entityType": "User",
    "nonce": "0x7db6ee5b2fef51373f0cf97cacdd464126825c7205440803d1a220843a85a256",
    "signature": "0xf667ffc701deee14dcba34114713f4c9b3e2a78c753542d1b5d563869c241a5b1d8d26b358c2be8712171d834e21cf67b08904b2416909460d555b7f7efd10181c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}