{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "387968269",
    "entityType": "User",
    "nonce": "0xca6058deb40710639e0def92bbad60ad93d6afab3b9266088294251e461efb47",
    "signature": "0x00908958508131a41af4b6ebcda52a0fee45212726f10bfb50edab1a21159bb773ad6442f2425eb6e9bda96b6476e4d615b309df1a0339e54fea7d9770ca9f4b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}