{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x58f6c0fe93c7f03751b4acaf4db6310212b0b4aedeb66c2e1fcbdea9de60efa3",
    "signature": "0x6fccaf96067b3495f9fa979f9742172957ffb3655d79b174d95cd641b95da4b031490103cddf8bc3a75388ab4b054f24e7a4726a3a8da13c2b6243f80a481d801b",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}