{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8843dbbca12f52c4d9c9bb71df40d41c0ebc00cf5cf8537072bdbcd6287cc1a5",
    "signature": "0x3a9df02bba9183ac387b0eba0ccba141e3a47560759f925d07d98ab77428763f7398ed17db3660d99df7ab2b679117291f2e0f7940e5f2df1d063bdd5b74dcd91b",
    "signer": "0x266BDcc26693Abb74a4CF3788BE77c46B54b61a0",
    "userId": "69586722"
  }
}