{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145083",
    "entityType": "User",
    "nonce": "0x8f34a95c94feee7a582805f699e681ed8e1f7621c977bf30dbf1930e07b20434",
    "signature": "0x8215720ebe976eabd00b5cf445c915cb7fc601b3375849cabb68cd69594f8e2a0cad6d96b34e87115667068decc2e191d58733e05cf92bb20cd50e1ed9da4efd1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}