{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854498636",
    "entityType": "User",
    "nonce": "0x6637ffc24213ea1bb103f82a5dfe41613c7346ba24dbf3a64dc7e200aff797d8",
    "signature": "0x6513b40f9faa895328d58230e7622c83f48336f8d3caba42955ddd5e8167829b0bed9a5d5bc8c900c863088ca03519758cbe5106227d874984bdaacb40cc17271b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}