{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168154",
    "entityType": "User",
    "nonce": "0x21ae54e3edce5297ed189ab28156f133321cd99adc0adf8ad5184376a5c19922",
    "signature": "0x361c64270de9d07db65c9825274c22d613d4e268b973a619a355f3e3d0687ef415352d4624a2e7806c14dcb17d613acd8a80e7d2e51f8007c2e96c424c4eea951c",
    "signer": "0x7282eFCBD1C08455179919862029D4a50F88deB5",
    "userId": "845787622"
  }
}