{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x339b3c3ec9d73f97fbe0a4ac8431a412132b962cec21bebd4754c2eecc96e26e",
    "signature": "0x370aee748338290583ae0186b181a2a21cdefa8ff4bf6a02da218d516e7f610f2ceef401cc02cb869522de2f5eddf7a443855edffa5ce9008a7327ad032176881b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}