{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951995708",
    "entityType": "User",
    "nonce": "0x67c5eb65dc3197314e476d2bb1b61b6e99df5c5d3e9dd67f68ba198740cd0c7a",
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    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}