{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174894112",
    "entityType": "User",
    "nonce": "0x6b7b0084c36ba4937aa3193d82945fbcbbcb4fb74fa2c23057882c7c0fcdbde1",
    "signature": "0x0fa5d6929cf96916dd8adc7876ffd0ae10b6ba5fed6cebaef368a5e008b711010f0334fadc3190083696e0123069373c713baac4197172ca9a91b187d64283611b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}