{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x0750945a17eb1532ffc1d20811ced4dd797cdf05bec824687f10ed03265c88dc",
    "signature": "0xa4ed39ce7ea5c313b954d8717ee5cff05c7950bd0a9e246f9660df73bb049d24426015df9ab49661ca09eb1352b0a41971e9c57289e11797869bd07cb7bf46dd1b",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}