{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "21606",
    "entityType": "User",
    "nonce": "0x34fa6f2ae9556e3bb9b9d89d667a4af26bfdd6fe67f12220ac587cdaef3b3b1f",
    "signature": "0x768147e8c453909f104846c1efaa275e9c1fe20cb896bb1aab86e61b4be0fb410dae9676942936e1fdb683057349b9411ca1d1f7f7436ad6c88eff91d3607d1b1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}