{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "695149259",
    "entityType": "User",
    "nonce": "0xa19693fe00952c125bb0fdbf5ae8468d547ce4e91c1845c668eb764d922ea0e6",
    "signature": "0x1fd76ac46adc0f46f90104b2ea9b34a5aab5d61366da6056f152414ec806ca5c648fbbefcec0a631f1d7b6be0c72103b88f71a1747b3d35bf95587f1a9fb65311b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}