{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4138",
    "entityType": "User",
    "nonce": "0x2f44b4239a31bb78d8f50dcb111a07c3eaa70bbab484cd4157f861fced194a6b",
    "signature": "0x26e7a733e53e8ee9beeecc2e7a7a46bcd53dc5a6c3c524360fe9f83111dfe1ba348647f9ca85af296a2153bfa6bd51af25911956c52adc389f23c4a51d8196651b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}