{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222370643",
    "entityType": "User",
    "nonce": "0xeed8adcd4995ba374967f2c5abb1c29743dc42151cc405852931953516735071",
    "signature": "0x73d6b7cc40daed60933364a1a4500d464629de1a912c9ef643463fb84db823cd6396c9b879b172e4bb05ce6bc330651a2a8f1eac7fe448a8f200849d5103b8b31b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}