{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "536634479",
    "entityType": "User",
    "nonce": "0x98e763172c79d53e9a8ae349f080dc9f4528d334690bc428e3757f03852281ca",
    "signature": "0xddc08ef125df65ac58a04983f44ff7039ddf852683b9cde6bbad9efe0cafc0a3015ef917467238084e6b619502bedf031dbebef92bb2c696ef00f386597938e81c",
    "signer": "0xB58611D6a788837682Aa82E66E03E039fD615a78",
    "userId": "104697249"
  }
}