{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x8702f4a4473a0934d82e7632e07b91981679e937915a7f0ce609ef41ef0bf54e",
    "signature": "0x05b1e92aa774300c8fedbf8b402dcfa6b3b4a810ce99ddf406e46026193f7ebe51465ac641bddc5ac92e0461126eed6d8dcb9db23818d8e5e8134bb02dbda8741b",
    "signer": "0x8838cB510ADd37b71093e4FD76B81bdd280860f8",
    "userId": "674339889"
  }
}