{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x17b0f183e6b573ea571f818254adc58ebea620ef2df28f7b0129b82329677450",
    "signature": "0xbd669afce7dab986748920fb6c56dd9ddc22fd5db5ce7f86020083509b67b7e33e3f9e8a898df17d6c698807d60938e253aff5ec13892506ab62423432f168a51c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}