{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1482860",
    "entityType": "User",
    "nonce": "0x4584553ffd534190a04204e3e8cf9d6d724804080dd9820ea00547bec4853fd2",
    "signature": "0xaf75ff28abe2e1f0926a877260d8632739cd540dcc924c83578b401c805faa7d0c87c4047d1ef1fd68103befad9f650e4de1d0434af2180e7957937a0a64bfd01b",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}