{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7879062ffa76a70fac7d3d5a5086b919772ebdba364981ee8027982692615eb0",
    "signature": "0x3a80b1fc47c5b3838dbe189596e64f8c424ed967d6ed99d1861ee64e5f49fe26339a0d9dd649f377afaa5ef6bc348c2a2cecfe68b75efb2002cb059880a3560e1c",
    "signer": "0x358E06588e1162ca62B7B502eb703DB4349B6734",
    "userId": "230919965"
  }
}