{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394450",
    "entityType": "User",
    "nonce": "0x3710c2875a0667257faacd7aae45a3778110068f9c11c5567e2dec6c1cc2f7c3",
    "signature": "0x0734f5543242715ea247377f5d1c085dd1e2c6eef28b1b0dd460af333682b65c3094f6b168acd789b94544320977f1bb8a634b236b3163239c289c8191dcc0d11b",
    "signer": "0x2BE5c7eBf6986c773aab383B7422a46Da4157539",
    "userId": "384760159"
  }
}