{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863746603",
    "entityType": "User",
    "nonce": "0xd83c84aecf09d093ab14ee4b6f5defcc4ea1f08666ac7696957e3ea254cf6b39",
    "signature": "0xdc0f7d294c55b900f387c9125db40591bfd5ceda349ad2f0d8819c6ad3a19f3054365bcf83c186983f9917794befddd649101155b94ef61026f2dd5ed2c3274c1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}