{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3107273e9ce3fea58a7fb76a4bffa3745f4cef6aceeeb9177ec3141785c0e207",
    "signature": "0x93ea0286bb5691d3849312fba34e659b5ae54ec881145dd03b14f28230924162076421e7dd4b6e3b4fe04df3bf52f17243e8b3c3fa7bfa499fc64d30cc2718fe1c",
    "signer": "0x732b732EB90beB3dE512bE5E0C30694E00762e6D",
    "userId": "263579059"
  }
}