{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283478",
    "entityType": "User",
    "nonce": "0x67855990fb0b5058daf420821e643f58b9ca73f6a5a457c2a6e5e26d7565ecd5",
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    "signer": "0xB28c3e71Ce63Ff378DF87C1f77d4F79d444b5E98",
    "userId": "92529900"
  }
}