{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc52cc4617703ca28cad94ad0c3c50df63ed56ca0f5cf9e07f8c793641b2bb88f",
    "signature": "0x130c01393492658fa9684b78c126f24fce9eb97fae94cf8dd43023130b9b16a22a440d3fc09931315f7d532129a7c3e31604ebc2593099be8d21f6cafe711f691b",
    "signer": "0xacA6f260A00A61e8ac07D62ec10fd4805A56f7F2",
    "userId": "658351701"
  }
}