{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283769",
    "entityType": "User",
    "nonce": "0x36ef3608673e7023b7c15eaaa62c877c5d89fae77ca21308cfab66c191ebfef5",
    "signature": "0x711ef1128a28c2d193cbf609175dc187a04ad41d01e8f5899aeb0edf888d54d7171dc17209bbd5138840cb04dbd1dd69ecf083b4da70d4c9052e8797db1b41e51b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}