{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932588729",
    "entityType": "User",
    "nonce": "0x876f64465d1e47c844ff3964efdb4f83646a3474d17d65d8d374e44039c9eb42",
    "signature": "0x6dd99c55c35b095877abb29946e8b3369624aa90601228b187ec635fc7864a3e71c8a059f29334937e6efc817462b04bf35fbcc19d4d569bbecaec726e6766c51c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}