{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392127",
    "entityType": "User",
    "nonce": "0xbf26c380edb7849d4fa318fb749f15fdea5cc0cf2ca4e9614b98408e1542f2fb",
    "signature": "0x2afaf6d5945f3cb1e33886dcf2275248cc1ed2705ff7ac54731434fdac998680654680e50d6ea24746556409358dec0e34d211ea625f2430025890cca4695f291c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}