{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "268900563",
    "entityType": "User",
    "nonce": "0x1df9a792c211525a53cc1a1ab9ef38dac151883aa49d630b7bc2acc42c882ddd",
    "signature": "0xda7733107a7f2f6201b9746d1e804ae1c39b9ee8ef191cd03a7e3aef72311dc773f0d0359b0687bcb00f134eb760fe1494eaa87cabea8eef52c3398819a5da941b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}