{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2bbf1f3db6de84d60a7aea38006a515edfa449af7434516fe6c172bb100199c0",
    "signature": "0xdbd6777a446a0922c1a6bbd4c229d3281a7e614b219532abb6bceb19ebfa638f3afd46ae75814c745952eb42f2723333dc72d10169d2f6e1d787de6de2aed5701b",
    "signer": "0x2A5FAa19C84dAdAC2355a17b2c6E12Aa3c0014A7",
    "userId": "216889217"
  }
}