{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54316",
    "entityType": "User",
    "nonce": "0x27f35106bde494b731d8d3d1cf07ae24705a52648a2b84bd53caca2e86244147",
    "signature": "0xba90b6a137337d7f4cae555f49309dbcea6dd13e1b514cfa8b69e84506196a315c12899dc375873663b0b9d26f7f5ac00e90aa5d4505bbb4ddd642e69a03c15c1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}