{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342017819",
    "entityType": "User",
    "nonce": "0x651156a4ae74e58afe42fcb88cf2bf5d1896f8147015db1dee1eaf0b63539331",
    "signature": "0x58949a2fe4a8de49eeaaa448233c75743457d38fa0a7fbe239d1918803fdac6661f385f579423064986911685865125c0a196a6d6933006f59a0ec7007e377261c",
    "signer": "0x253047c0af4Fc72D6658Bc16df0b3FE0dB459513",
    "userId": "186198383"
  }
}