{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "751451",
    "entityType": "User",
    "nonce": "0x6be8528773604aeae7dd8250aa1d50abd8c2b4925cedeb4d6d6dc4536f008481",
    "signature": "0xcf80b68dbafad086a4506d02f6be0e559b62400aca2289de154469c5f498cfa51353c57ace5cc8caeee5d271af474a11e24499d830838ad67a375b0df97bc5c01b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}