{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x3afc6504d3b5bf4968d0c96a225da82891dbbdc1f4854a4c1f16df1046bc3898",
    "signature": "0xe5fb881c89fe6e7c81a6d2cdbcea4ff0951a01561e5270ed3ea538e42e90a66f3bee7e7eaa4ee033e2a6eb6ec375dc45ef0ef7f11f1ecda6bedf6d95894e70c31b",
    "signer": "0xd0a859CF2624a008D7A044Fc8d234f7A34024587",
    "userId": "917830143"
  }
}