{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x27f7480b65b67c96158da287855fbe1ae12be5345b9458432ab3dedae6b24548",
    "signature": "0xb19e4673c70d29496734bb614aecaea563a5dc072f99b30fb5c9e4943c6f3fd77e300687a0f8138404f04846b0581dac8d11ada592c31c580f1d2607256c5e961c",
    "signer": "0xDA68466fAcEEF91A1Adf697Fd6efce0a5C951f54",
    "userId": "114204398"
  }
}