{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x96c5016bfc30641b3a09a54883930f60507b2bf2780e61d7d6eea49a07a47b84",
    "signature": "0xb0d9d3447ee543abe0c2ceebef6577a808e5c988159559813eb175e138d00602389f9f3c96181391a41c214d70acbaecc54975d6ae6c1bc291266321e273faa31c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}