{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "393028493",
    "entityType": "User",
    "nonce": "0x79c9e2c439d2c6e84282d489fb46159f26dd81f5afc0184d46e99db315cb0d4d",
    "signature": "0x7f702ed4fba027dab1670ccfbf9afa2b43eba593c23692c3227b045ecb27abf24b8065809fbfd4163892d55b3a806ee2a13c2119869acd54180759b3b045a3251b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}