{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7c9b3323cff8eaa761c7c8a64d80d8e15cca82c9679435a4370d8e1dcad917dc",
    "signature": "0x360a36817096b75f58cbf36e99ba04d7f47f0c601a0e983ce1132aaa8dfb65fb1791aa992596e5b720ddcc42998986a6dfe1dfd6d970e764ef6320ec657ffe2e1c",
    "signer": "0x94ED5751F64981fDd35c3f6F061067c03B95D72F",
    "userId": "63175258"
  }
}