{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x6d77e91d896ff0a632644b459f9b7b8306b2e1996a2e10a34c5c141bb0defcb8",
    "signature": "0x24582883446d727f2442e24115e29e42f8135f4d31363f669691becae525c35f4c48965603cabaceb2483604018f655447394081e9b9c26218d0c84fc30bb08d1b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}