{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x39d7325b559cf0929053984907e4d3b5fc8a605210492458cecb60d5915ffe0c",
    "signature": "0x18d940270588bd291cb8d6d9e21b63ba11f45bf1f647de4a30ff15d82084aaf77e10da9dfa99c74152864101c04d2a8ea6a87627baf46084edb42777d1e5c6bc1c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}