{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb027a27d9f3dabbd767ef194473e082d2e6fcc7b01901967bf147883be01d6e6",
    "signature": "0x5fd54a36a3d8b20cde31c1dc5e8c5dfedfa28f1a12178e2188aeac0879d66e78704c4d13d8b1223e2dbac774318aa04538fa8dd2abe2a7f056f6dd33615785661b",
    "signer": "0x1801a170c1eD9867B3079f30858f587fa1D0fF3A",
    "userId": "566883717"
  }
}