{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x635c9dcdb2bc101080ef5b1806f1fdf0dee11d7211b65c16067460e9f6d0414a",
    "signature": "0xd2b9a5275646edc6dc24468593e26896cfe6f4dee9a0fe0d56361b11cbc4fabc05587ab6860cbfb9ed3a4668231f0e402892a354d25e54c5560a5a4b55e2abfb1c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}